27 solid iron spheres, each of radius 'x cm' are melted to form a speher with radius 'y cm'. Find the ratio x:y​

Answers

Answer 1

Answer:

My brain...

Step-by-step explanation:

Answer 2

Answer:

i believe its A on plato

Step-by-step explanation:


Related Questions

Verify the equation: (cos x + 1)/(sin^3 x) = (csc x)/(1 - cos x)

Answers

Answer:

dont know sorry

Step-by-step explanation:

5 in = ___________ ft *Write your answers like this: whole number, one space, numerator, /, denominator. Example: 1 1/2 * PLEASE AWNSER FAST <3

Answers

Answer:

0.416667 ft

Step-by-step explanation:

Need help with all the question

Answers

Answer:

Step-by-step explanation:

So in ratios you can mostly all of the time scale your answer. So by determining how much increase there is in the baby's thigh bone each week you can pretty much answer these questions.

keep in mind: Proportional means having the same ratio. A scale factor is the ratio of the model measurement to the actual measurement in simplest form.

Example from https://www.mathsisfun.com/numbers/ratio.html

A ratio says how much of one thing there is compared to another thing.

ratio 3:1

There are 3 blue squares to 1 yellow square

Ratios can be shown in different ways:

Use the ":" to separate the values:   3 : 1

     

Or we can use the word "to":   3 to 1

     

Or write it like a fraction:    31  

A ratio can be scaled up:

ratio 3:1 is also 6:2

Here the ratio is also 3 blue squares to 1 yellow square,

even though there are more squares.

Use the method of variation of parameters to find a particular solution of the following differential equation. y'' - 12y' + 36y = 10 e 6x What is the Wronskian of the independent solutions to the homogeneous equation? W(71.72) = The particular solution is yp(x) =

Answers

The Wronskian of the autonomous answers for the homogeneous condition is W(71.72) = 6.06 × 10²⁸.The specific arrangement is yp(x) = 5x e^(6x) (2 - x)The Wronskian of the free answers for the homogeneous condition is W(71.72) = 6.06 × 10²⁸.

The differential equation is y'' - 12y' + 36y = 10 e 6x. We need to use the method of parameter variation to find the particular solution to the given differential equation. Let's begin by resolving the homogeneous differential equation. The homogenous piece of the differential condition isy'' - 12y' + 36y = 0The trademark condition is r² - 12r + 36 = 0 which can be figured as (r - 6)² = 0So, the arrangement of the homogenous piece of the differential condition is given byy_h(x) = c1 e^(6x) + c2 x e^(6x)where c1 and c2 are inconsistent constants. Presently, let us find the specific arrangement of the given differential condition utilizing the strategy for variety of boundaries. Specific arrangement of the given differential condition isy_p(x) = - y1(x) ∫(y2(x) f(x)/W(x)) dx + y2(x) ∫(y1(x) f(x)/W(x)) dxwhere, y1 and y2 are the arrangements of the homogeneous condition, W is the Wronskian of the homogeneous condition and f(x) is the non-homogeneous term of the differential condition. Hence, y_p(x) = -e(6x) (x e(6x) / e(12x)) dx + x e(6x) (e(6x) (10 e(6x)) / e(12x)) dx = -e(6x) (10x) dx + x e(6x) (10) dx = -5 That's what we know, W(x) = | y1 y2 | | y1' y2' | = e^(12x)Therefore, W(71.72) = e^(12*71.72) = 6.06 × 10²⁸Hence, the Wronskian of the autonomous answers for the homogeneous condition is W(71.72) = 6.06 × 10²⁸.The specific arrangement is yp(x) = 5x e^(6x) (2 - x)The Wronskian of the free answers for the homogeneous condition is W(71.72) = 6.06 × 10²⁸.

To know more about differential equation refer to

https://brainly.com/question/25731911

#SPJ11

A restaurant sells an 8-oz drink for $2.56 and a 12 oz drink for $3.66. Which drink is the better buy? i need help fast :(​

Answers

Answer:

12 oz

Step-by-step explanation:

2.56 ÷ 8 = 0.32 per oz

3.66 ÷ 12= 0.305 per oz

If y varies directly as x, and y = 6 when x = 4, find y when x = 12.
y =

Answers

y=14 I hope this helps!!

what is the approximate radius of a sphere with a volume of 900 cm squared

A 12 cm
B 36 cm
C 18cm
D 6cm

Answers

Answer:

about 5.99 or D. 6 cm

Step-by-step explanation:

you can use this formula

[tex]V=4/3 * \pi *r^{3}[/tex]

A line is graphed on the coordinate plane below. Another line y = -x + 2
will be graphed on the same coordinate plane to create a system of equations.
What is the solution to that system of equations?


A. (-2,4)

B. (0,-4)

C. (2,-4)

D. (4,-2)

Answers

The answer to the equation should be (2,-4) so C.

The solution to the given system of equations y = -x + 2 are option A. (-2,4) and D. (4,-2).

What is a system of equations?

A system of equations is two or more equations that can be solved together to get a unique solution. the power of the equation must be in one degree.

The equation is given as

y = -x + 2

here, we need to find the solutions to the equation, we can apply the given options one by one to satisfy the equation.

For the solution

A. (-2,4)

y = -x + 2

Substitute the value x = -2 and y = 4

y = 4

-x + 2 = -(-2) + 2 = 4

Thus, the given solution are the system of equation.

For the solution

B. (0,-4)

y = -x + 2

Substitute the value x = 0 and y = -4

y = -4

-x + 2 = 0 + 2 = 2

Thus, both the sides are not equal so, the given solution are not the system of equation.

For the solution

C. (2,-4)

y = -x + 2

Substitute the value x = 2 and y = -4

y = -4

-x + 2 = 2 + 2 = 4

Thus, both the sides are not equal so, the given solution are not the system of equation.

For the solution

D. (4,-2)

y = -x + 2

Substitute the value x = 4 and y = -2

y = -2

-x + 2 = -4 + 2 = -2

Thus, the given solution are the system of equation.

Learn more about the system of the equation;

https://brainly.com/question/12895249

which statement best discribes the shape of the graph? the graph is skewed left. the graph is skewed right. the graph is nearly symmetrical. the graph is perfectly symmetrical.

Answers

The graph is nearly symmetrical.

Instead of using rigorous mathematics to solve this issue, let's simply look at it.

Most of the values are on the left side of a graph when it is skewed to the right.

The majority of values are on the right side of a graph when it is skewed left.

Perfect symmetry occurs when both sides are identical with regard to the median. Here, the means and medians are equal.

Nearly symmetrical would be very nearly perfect symmetry, with very minor variations on either side. Median and mean would be almost equal.

Now that we have counted the dots and have carefully examined them, we can rule out skewed right and skewed left. Is the graph now completely symmetrical? No!

Therefore, "nearly symmetrical" is the right response.

Learn more about graphs click;

https://brainly.com/question/17267403

#SPJ12

Complete question =

The dot plot shows the number of words students spelled correctly on a pre-test. Which statement best describes the shape of the graph?

A.) The graph is skewed right.

B.) The graph is nearly symmetrical.

C.) The graph is skewed left.

D.) The graph is perfectly symmetrical.

Please Help. What expression is equivalent to 6( t - 5 ) + 3
A. 6t - 2
B. 6t - 12
C. 3 ( 2t - 11 )
D. 3 ( 2t + 9 )

Answers

I believe the answer is D. 3(2t+9)

Explanation: The simplified version of 6(t-5)+3 is 6t+27, and D gives us the same answer.

Which expressions are equivalent to the one below? Check all that apply 5^x

Answers

Answer:

5 * 5^(x - 1) ; (15/3)^x ; 15^x / 3^x

Step-by-step explanation:

From the options, equivalent expressions include :

(15/3)^x

This is the same as ;

(15/3)^x

15 ÷ 3 = 5 ; then to the power of x = 5^x

15^x / 3^x ; since they are both raised to the same power, we can divide directly to obtain :

5^x

5 * 5^(x - 1)

5 = 5^1

5^1 * 5^(x-1)

5^(1 + x - 1) = 5^x

PLEASE SOMEONE HELPPPPPPP

Answers

Answer:

12, 25, 26, 26, 26, 34, 35, 39, 42, 42, 50, 72.

Step-by-step explanation:

A stem and leaf plot works like a digit separator. The left is the first number, which is usually repeated, and the right is the number you add to it.

In this example, 3 is used three times for the numbers 34, 35, and 39.

it always tells me i have to put 20 characters but i really need help

Answers

Answer:

B

Step-by-step explanation:

25/100 is 25%.

what is the volume of each cylinder with a radius of 2.7 cm and a height of 5 cm​

Answers

Answer:

114.51

Step-by-step explanation:

I'm not to sure what you meant by 'each' so I solved it like there was only one cylinder. hope this helped

In the exercise, X is a binomial variable with n = 6 and p = 0.4. Compute the given probability. Check your answer using technology. HINT [See Example 2.] (Round your answer to five decimal places.)
P(X ≤ 2)=?

Answers

To compute the probability P(X ≤ 2) for a binomial variable X with n = 6 and p = 0.4, we need to sum the probabilities of X taking on the values 0, 1, and 2.

[tex]P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2)[/tex]

To calculate these probabilities, we can use the binomial probability formula:

P(X = k) = (n choose k) [tex]* p^k * (1 - p)^(n - k)[/tex]

where (n choose k) represents the binomial coefficient, given by (n choose k) = n! / (k! * (n - k)!)

Let's calculate the probabilities step by step:

P(X = 0) = (6 choose 0) * [tex]0.4^0 * (1 - 0.4)^(6 - 0)[/tex]

P(X = 1) = (6 choose 1) * [tex]0.4^1 * (1 - 0.4)^(6 - 1)[/tex]

P(X = 2) = (6 choose 2) * [tex]0.4^2 * (1 - 0.4)^(6 - 2)[/tex]

Using the binomial coefficient formula, we can calculate the probabilities:

P(X = 0) = 1 * 1 * [tex]0.6^6[/tex] ≈ 0.04666

P(X = 1) = 6 * 0.4 * [tex]0.6^5[/tex] ≈ 0.18662

P(X = 2) = 15 * [tex]0.4^2 * 0.6^4[/tex] ≈ 0.31104

Now, let's sum these probabilities to find P(X ≤ 2):

P(X ≤ 2) ≈ 0.04666 + 0.18662 + 0.31104 ≈ 0.54432

Therefore, the probability P(X ≤ 2) is approximately 0.54432.

Learn more about binomial probability here:

https://brainly.com/question/30049535

#SPJ11

what is 1/3 plus 1/2 in fraction form

Answers

Answer:

5/6

Step-by-step explanation:

Hope this helped!!!

What is the answer to this question?

Answers

The answer is C. (2, 3)

please help with this?!?

Answers

Answer:

196.1

Step-by-step explanation:

Area of a circle is [tex]\pi r^{2}[/tex] so in order to find the radius you divide the diameter by 2 to get 7.9

Then you do [tex]7.9^{2}[/tex] x [tex]\pi[/tex] to get around 196.1

One catalog offers a jogging suit in two colors, gray and black. It comes in sizes S, M, L, XL and XXL. How many possible jogging suits can be ordered? PLEASE HELP NO LINKS!!!

Answers

Answer:

5..

Step-by-step explanation:

find the volume of the solid that results when the region bounded by y=x−−√, y=0 and x=36 is revolved about the line x=36.

Answers

The volume of the solid obtained by revolving the region bounded by y = x - √x, y = 0, and x = 36 around the line x = 36 can be found using the method of cylindrical shells. The resulting volume is approximately 3,012 cubic units.

To calculate the volume, we integrate the formula for the volume of a cylindrical shell, which is given by V = 2π∫[a,b] x * h(x) dx, where [a,b] represents the range of x values.
In this case, the lower bound of integration is 0 and the upper bound is 36, since the region is bounded by y = 0 and x = 36. The height of the cylindrical shell, h(x), is given by the difference between the x-coordinate of the curve y = x - √x and the line x = 36.
To obtain the x-coordinate of the curve, we set x - √x = 0 and solve for x. This gives us x = 0 or x = 1.
Next, we calculate the difference between x and 36, which gives us  the height of the cylindrical shell. Then, we substitute the expressions for x and h(x) into the volume formula and integrate with respect to x.
After performing the integration, we find that the volume of the solid is approximately 3,012 cubic units.

Learn more about volume of the solid here

https://brainly.com/question/23705404



#SPJ11

To test the hypothesis that the population standard deviation sigma-7.2, a sample size n=7 yields a sample standard deviation 5.985. Calculate the P- value and choose the correct conclusion. Your answer: The P-value 0.343 is not significant and so does not strongly suggest that sigma<7.2. The P-value 0.343 is The P-value 0.343 is significant and so strongly suggests that sigma<7.2. The P-value 0.192 is not significant and so does not strongly suggest that sigma<7.2. The P-value 0.192 is significant and so strongly suggests that sigma<7.2. The P-value 0.291 is not significant and so does not strongly suggest that sigma<7.2. The P-value 0.291 is significant and so strongly suggests that sigma<7.2. suggests that sigma<7.2. The P-value 0.309 is not significant and so does not strongly suggest that sigma<7.2. The P-value 0.309 is significant and so strongly suggests that sigma<7.2. The P-value 0.011 is not significant and so does not strongly suggest that sigma<7.2. The P-value 0.011 is significant and so strongly suggests that sigma<7.2.

Answers

The P-value of 0.343 is not significant and does not strongly suggest that the population standard deviation, sigma, is less than 7.2.

In hypothesis testing, the P-value is used to determine the strength of evidence against the null hypothesis. In this case, the null hypothesis is that the population standard deviation, sigma, is equal to 7.2. The alternative hypothesis is that sigma is less than 7.2.

To calculate the P-value, we need to compare the sample standard deviation, which is 5.985, to the hypothesized population standard deviation of 7.2. We can use the chi-square distribution to find the probability of observing a sample standard deviation as extreme as or more extreme than the one obtained, assuming the null hypothesis is true.

In this case, the P-value is 0.343. This means that if the null hypothesis is true, there is a 34.3% chance of obtaining a sample standard deviation of 5.985 or more extreme. Since the P-value is greater than the common significance level of 0.05, we fail to reject the null hypothesis. Therefore, we do not have strong evidence to suggest that the population standard deviation is less than 7.2.

In conclusion, the correct choice is: The P-value 0.343 is not significant and does not strongly suggest that sigma is less than 7.2.

Learn more about deviation here:

https://brainly.com/question/29758680

#SPJ11

Consider the region in the xy-plane bounded from above by the curve y=4x−x^2 and below by the curve y=x. Find the centroid of the region. (i.e. the center of mass of this region if the mass density is p =1)

Answers

The centroid of the region bounded from above by the curve y = 4x - x² and below by the curve y = x is (2/3, 4/3).

The region is bounded from above by the curve y = 4x - x² and below by the curve y = x. We need to find the points of intersection between these two curves. Setting the equations equal to each other,

4x - x² = x

Rearranging,

x² - 3x = 0

Factoring,

x(x - 3) = 0

So, x = 0 or x = 3.

The region is bounded from x = 0 to x = 3. To find the y-values within this region, we evaluate the equations y = 4x - x² and y = x at these x-values.

For x = 0,

y = 4(0) - (0)² = 0

For x = 3,

y = 4(3) - (3)² = 12 - 9 = 3

Thus, the y-values within the region are y = 0 to y = 3. Now, we calculate the area of the region by integrating the difference of the upper and lower curves,

A = ∫[0,3] [(4x - x²) - x] dx

A = ∫[0,3] (3x - x²) dx

A = [3x²/2 - x³/3] evaluated from x = 0 to x = 3

A = [27/2 - 9/3] - [0 - 0]

A = [27/2 - 3] - 0

A = 21/2

Now, for the centroid,

x = (1/A) * ∫[0,3] x * [(4x - x²) - x] dx

Simplifying,

x = (1/A) * ∫[0,3] (3x² - x³) dx

x = (1/A) * [x³ - x⁴/4] evaluated from x = 0 to x = 3

x = (1/A) * [(3)³ - (3)⁴/4] - [0 - 0]

x = (1/A) * [(27) - (81)/4] - 0

x = (1/A) * [(108 - 81)/4]

x = (1/A) * (27/4)

x = 27/(4A)

x = 27/(4 * 21/2)

x = 2/3, and,

x = (1/A) * ∫[0,3] [(4x - x²) - x]² dx

Simplifying,

y = (1/A) * ∫[0,3] (16x² - 8x³ + x⁴) dx

y = (1/A) * [(16x³/3 - 8x⁴/4 + x⁵/5)] evaluated from x = 0 to x = 3

y = (1/A) * [(16(3)³/3 - 8(3)⁴/4 + (3)⁵/5)] - [0 - 0]

y = (1/A) * [(16 * 27/3 - 8 * 81/4 + 243/5)]

y = (1/A) * [(144/3 - 648/4 + 243/5)]

y = (1/A) * [(480 - 972 + 243)/60]

y = (1/A) * (480 - 972 + 243)/60

y = -83/(20A)

Since A = 21/2, we can substitute it in,

y = -83/(20 * 21/2)

y = -83/(210/2)

y = -83/(105)

y = -4/5

Therefore, the centroid of the region is (2/3, 4/3).

To know more about centroid, visit,

https://brainly.com/question/30301613

#SPJ4








. **y" + xy' + y = 0, y(t) = 3 . y'(1)=4 (12pts) 3. Solve the Cauchy-Euler IVP:

Answers

The solution to the Cauchy-Euler initial value problem is -3/2

To solve the Cauchy-Euler initial value problem, we need to find the general solution of the differential equation and then use the initial conditions to determine the specific solution.

The given Cauchy-Euler differential equation is:

y" + xy' + y = 0

To solve this equation, we assume a solution of the form [tex]y(x) = x^r[/tex]

Differentiating twice with respect to x, we have:

[tex]y' = rx^{r-1}[/tex] and y" = [tex]r(r-1)x^{r-2}[/tex]

Substituting these expressions into the differential equation, we get:

[tex]r(r-1)x^{r-2} + x(rx^{r-1}) + x^r = 0[/tex]

[tex]r(r-1)x^{r-2} + r*x^r + x^r = 0[/tex]

[tex]x^{r-2}(r(r-1) + r + 1) = 0[/tex]

For a non-trivial solution, the expression in parentheses must equal zero:

r(r-1) + r + 1 = 0

Expanding and rearranging, we have:

[tex]r^2 - r + r + 1 = 0\\r^2 + 1 = 0[/tex]

The roots of this equation are complex numbers:

r = ±i

Therefore, the general solution of the Cauchy-Euler differential equation is:

[tex]y(x) = c_1x^i + c_2x^{-i}[/tex]

To simplify the solution, we can rewrite it using Euler's formula:

[tex]y(x) = c_1x^i + c_2x^{-i}\\ = c_1(cos(ln(x)) + i*sin(ln(x))) + c_2(cos(ln(x)) - i*sin(ln(x)))\\ = (c_1 + c_2)cos(ln(x)) + (c_1 - c_2)i*sin(ln(x))[/tex]

Now, let's apply the initial conditions to find the specific solution. We are given:

y(t) = 3 and y'(1) = 4

Substituting x = t into the solution, we have:

[tex](c_1 + c_2)cos(ln(t)) + (c_1 - c_2)i*sin(ln(t)) = 3[/tex]

To satisfy this equation, the real parts and imaginary parts on both sides must be equal.

From the real parts:

[tex](c_1 + c_2)cos(ln(t)) = 3[/tex]

From the imaginary parts:

[tex](c_1 - c_2)i*sin(ln(t)) = 0[/tex]

Since sin(ln(t)) ≠ 0 for any t, we must have ([tex]c_1 - c_2[/tex]) = 0.

This implies [tex]c_1 = c_2[/tex].

Substituting [tex]c_1 = c_2[/tex] into the real part equation, we get:

[tex]2c_1cos(ln(t)) = 3[/tex]

Solving for [tex]c_1[/tex], we find:

[tex]c_1 = 3/(2cos(ln(t)))[/tex]

Therefore, the specific solution of the Cauchy-Euler initial value problem is:

y(x) = (3/(2cos(ln(t))))(cos(ln(x)) + i*sin(ln(x)))

Now, we can find y'(1) by differentiating the specific solution with respect to x and evaluating it at x = 1:

y'(x) = -(3/2)(ln(t)sin(ln(x)) + cos(ln(x)))

y'(1) = -(3/2)(ln(t)sin(ln(1)) + cos(ln(1)))

      = -(3/2)(ln(t)(0) + 1)

      = -3/2

Therefore, the solution to the Cauchy-Euler initial value problem is:

y(x) = (3/(2cos(ln(t))))(cos(ln(x)) + i*sin(ln(x)))

y(t) = 3

y'(1) = -3/2

To know more Cauchy-Euler, refer here:

https://brainly.com/question/32699684

#SPJ4

A carpenter makes bookcases in 2 sizes, large and small. It takes 4 hours to make a
large bookcase and 2 hours to make a small one. The profit on a large bookcase is
$35 and on a small bookcase is $20. The carpenter can spend only 32 hours per
week making bookcases and must make at least 2 of the large and at least 4 of the
small each week. How many small and large bookcases should the carpenter make
to maximize his profit? What is his profit?

Answers

Answer:

6 large and 4 small

Step-by-step explanation:

6 times 4 =242 time 4= 832 hours

PLEASEEEEEEEEEE HELPPPPPPPPPPPPP

Answers

Answer:

i dont kno bestie.. :/

Step-by-step explanation:

Pls help and if you can show me how you do it :)

Find the number less than 40, that is
divisible by 5, and when divided by 6
has a remainder of 2.

Answers

So basically you want to start by thinking of multiples of 5 less than 40 such as 35, 30, etc. then divide each by six to see if it has a remainder of two. The answer would be 20. 6 goes into 20 3 times. 6x3 = 18. 20-18=2

In a fruit cocktail, for every 30ml of orange juice you need 20ml of apple juice and 50ml of coconut milk. What proportion of the cocktail is orange juice? Give your answer in the simplest form of ratio

Answers

A⁣⁣⁣⁣nswer i⁣⁣⁣s i⁣⁣⁣n a p⁣⁣⁣hoto. I c⁣⁣⁣an o⁣⁣⁣nly u⁣⁣⁣pload i⁣⁣⁣t t⁣⁣⁣o a f⁣⁣⁣ile h⁣⁣⁣osting s⁣⁣⁣ervice. l⁣⁣⁣ink b⁣⁣⁣elow!

bit.[tex]^{}[/tex]ly/3a8Nt8n

Answer:

me

Step-by-step explanation:

becssu imthe best guy

simplify leaving your answer in the standard form
[tex] \frac{0.0225 \times 0.0256}{0.0015 \times 0.48} [/tex]

Answers

Answer:

0.8 is the standard form

Use the normal distribution of SAT critical reading scores for which the mean is 505 and the standard deviation is 118. Assume the variable x is normally distributed. (a) What percent of the SAT verbal scores are less than 600? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 575? Click to view page 1 of the standard normal table. Click to view page 2 of the standard normal table. (a) Approximately 79 % of the SAT verbal scores are less than 600. (Round to two decimal places as needed.) (b) You would expect that approximately 722 SAT verbal scores would be greater than 575.

Answers

Therefore, we would expect that approximately 722 SAT verbal scores out of 1000 would be greater than 575.

For a normal distribution of SAT critical reading scores with a mean of 505 and a standard deviation of 118, approximately 79% of the SAT verbal scores are less than 600. If 1000 SAT verbal scores are randomly selected, it is expected that approximately 722 of them would be greater than 575.

To determine the percentage of SAT verbal scores that are less than 600, we need to find the area under the normal distribution curve to the left of 600. We can use the standard normal distribution table or a statistical software to find the corresponding z-score.

First, we calculate the z-score using the formula:

z = (x - μ) / σ

Substituting the values:

z = (600 - 505) / 118

z ≈ 0.8051

Using the standard normal distribution table, we can find the area to the left of z = 0.8051, which is approximately 0.7910.

To determine the percentage, we multiply the result by 100, giving us approximately 79% of SAT verbal scores that are less than 600.

For part (b), we can apply the same approach. We calculate the z-score for x = 575:

z = (575 - 505) / 118

z ≈ 0.5932

Using the standard normal distribution table, we find the area to the left of z = 0.5932, which is approximately 0.7242. This means that approximately 72.42% of SAT verbal scores are less than 575.

To estimate the number of SAT verbal scores greater than 575 in a sample of 1000, we multiply the percentage by the sample size:

Number of scores greater than 575 = 0.7242 * 1000 ≈ 722.

Therefore, we would expect that approximately 722 SAT verbal scores out of 1000 would be greater than 575.

To learn more about normal distribution visit:

brainly.com/question/31327019

#SPJ11

An agronomist measures the lengths of n = 26 ears of corn. The mean length was 31.5 cm and the standard deviation was s= 5.8 cm. Find the Upper Boundary for a 95% confidence interval for mean length of corn ears. O 57.5 29.2 O 0.05 O 33.8

Answers

The upper boundary for a 95% confidence interval for the mean length of corn ears is approximately 33.8 cm

To find the upper boundary for a 95% confidence interval for the mean length of corn ears, we can use the formula:

Upper Boundary = Mean + (Critical Value * Standard Error)

The critical value corresponds to the desired level of confidence. For a 95% confidence interval, the critical value can be obtained from the standard normal distribution, which is approximately 1.96.

The standard error is calculated by dividing the standard deviation by the square root of the sample size:

Standard Error = s / [tex]\sqrt{(n)}[/tex]

Given that the mean length was 31.5 cm (Mean) and the standard deviation was s = 5.8 cm, and the sample size was n = 26, we can calculate the upper boundary as follows:

Standard Error = 5.8 / [tex]\sqrt{26}[/tex] ≈ 1.138

Upper Boundary = 31.5 + (1.96 * 1.138) ≈ 33.8

Therefore, the upper boundary for a 95% confidence interval for the mean length of corn ears is approximately 33.8 cm.

Learn more about Mean Length at

brainly.com/question/16526320

#SPJ4

Other Questions
The ancient fish fossils were dated using C-14. If 1/16 the original amount of C-14 remains in the skeletons, approximately how old are the fish? A)15,000 years B)17,000 years C)22,800 years D)45,600 years Based on readings within Chapter 5 and 6 of your textbook, please provide valuable and substantive responses to the questions below. You are required to include examples and references if you use a source outside of your textbook.How do each of the five situational factors influence your consumer behavior?1. Physical surroundings2. Social surroundings3. Time required4. Purchase reason5. Buyers momentary moods 1a) Given the sequence: M A T H M A T H M A T H M A ...If this pattern continues, what letter will be in the 2022nd position?b)Let U = {a, b, c, d, e, f, g, h, i, j} andF={a, b, c, d}, G={a, c, e, g, i}and H={c, d, e, g, h, j}.c) Draw a Venn Diagram to represent the universe.d) Write the elements of the set:( ) H Current cell theory resulted from many experiments and revisions to commonly held ideas about where cells come from. Which ideas was not rejected due to scientific evidence? An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was x-119.6 ounces. Suppose the standard deviation is known to be a-6.5 ounces. Assume that in the population of all babies born in this bospital, the birth weights follow a Normal distribution, with mean. The standard deviation of the sampling distribution of the mean is a. 6.52 ounces b.0.02 ounces c. 1.30 ounces. d.0.38 ounces QUESTION 9 The least-squares regression line is: a the line that passes through the most data points. b. the line that makes the sum of the squares of the vertical distances of the data points from the line (the sum of squared residuals) as small as possible. e the line such that half of the data points fall above the line and half fall below the line. d. All of the answer options are correct. True or False In the early to mid 1800s', regional lumbermen and sawmill owners met bimonthly at their local Hickory Club to set prices and work out issues regarding the transportation of lumber. what did edwin hubble study in the andromeda galaxy that proved it was an individual galaxy and not part of our own milky way? for the reaction: agi(s) br2(g) agbr(s) i2(s) h = 54.0 kj hf for agbr(s) = 100.4 kj/mol hf for br2(g) = 30.9 kj/mol the value of hf for agi(s) is: group of answer choices Which of the following are correct descriptions of large corporations?A. Managers no longer have the incentive to act in their own interests.B. The corporation survives even if managers are dismissed.C. Shareholders can sell their holdings without disrupting the business.D. Corporations, unlike sole prop Search the web using the following string:information security management model "maturity"This search will exclude results that refer to "maturity."Read the first five results and summarize the models they describe. Choose one you find interesting, and determine how it is similar to the NIST SP 800-100 model. How is it different?Search the web and try to determine the most common IT help-desk problem calls. Which of these are security related?Assume that your organization is planning to have an automated server room that functions without human assistance. Such a room is often called a lights-out server room. Describe the fire control system(s) you would install in that room.Perform a web search for "security mean time to detect." Read at least two results from your search. Quickly describe what the measurement means. Why do you think some people believe this is the most important security performance measurement an organization should have? a nurse is working with a school-age child who is dying. the child is hostile and uncooperative. which action by the nurse is the most appropriate? (think about cognitive and developmental theory)A. Ask the child what she knows about what is wrong with her.B. Give the child time to herself and then return to complete tasks.C. Offer the child a reward for cooperative or pleasant behavior.D. Tell the child to cooperate with treatments in order to get better. Compute the balance in Accumulated Depreciation Equipment for this equipment after depreciation expense has been recorded on December 31, 2022. Accumulated Depreciation--Equipment $ ____On July 1, 2019, Blossom Company purchased new equipment for $75,000. Its estimated useful life was 5 years with a $12,000 salvage value. On December 31, 2022, the company estimated that the equipment's remaining useful life was 10 years, with a revised salvage value of $5,000 A driver is always impaired when he or she has a blood alcohol concentration of0.05 percent or higher.0.08 percent or higher.0.03 percent or higher.0.10 percent or higher. A cost-minimising firm produces output (q) using capital (K) and labour (L) with the produc- tion technology q = F(K, L). At the current level of output, the marginal product of labour is 4 and the marginal product of capital is 5. Suppose the isoquants are drawn with capital on the vertical axis. The firm pays $10 per unit of labour and $8 per unit of capital. In order to minimise the cost of producing the current output level, the firm should: a) not change its input mix because the current input mix already minimises costs. b) increase K and reduce L. c) increase L and reduce K. d) reduce both K and L. e) increase both K and L. be uploaded on Moodie immediately after completing the test) Gestion 15 23 Assume that females have put rates the normally with mean of 73.25 Then a. If 4 adult females are randomly selected, find the probability that they have pulse rates with a sample sans sem The probability to (Round to four decimal places as needed.) b. Why can the normal distribution be used in part (a), even though the sample size does not exceed 30? O A. Since the distribution of sample means, not individuals, the distribution is a normal distribution for any vargle uze. 3. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size C. Since the mean pulse rate exceeds 30, the distribution of sample means is a normal distribution for any sample size D. Since the distribution is of individuals, not sample means, the distribution is a normal distribution for any sample size be ed on g the test.) use pseudocode to show a reusable module which would make an inappropriate value appropriate Trading skills of institutional investors. Managers of stock portfolios make decisions as to what stocks to buy and sell in a given quarter. The trading skills of these institutional investors were quantified and analyzed in The Journal of Finance (April 2011). The study focused on "round-trip" trades, i.e., trades in which the same stock was both bought and sold in the same quarter. Consider a random sample of 200 round trips made by institutional investors. Suppose the sample mean rate of return is 2.95% and the sample standard deviation is 8.82%. If the true mean rate of return of round-trips is positive, then the population of institutional investors is considered to have preformed successfully.a) Specify the null and alternative hypotheses for determining whether the population of institutional investors preformed successfully.b) Find the rejection region for the test using alpha=0.05.c) Interpret the value of alpha in the words of the problem.d) Give the appropriate conclusion in the words of the problem. Refer to Passage 2 Excerpt from Letter From Birmingham Jail.Reread paragraph 43 from Passage 2. I hope the church as a whole will meet the challenge of this decisive hour. But even if the church does not come to the aid of justice, I have no despair about the future. I have no fear about the outcome of our struggle in Birmingham, even if our motives are at present misunderstood. We will reach the goal of freedom in Birmingham and all over the nation, because the goal of America is freedom. Abused and scorned though we may be, our destiny is tied up with America's destiny. Before the pilgrims landed at Plymouth, we were here. Before the pen of Jefferson etched the majestic words of the Declaration of Independence across the pages of history, we were here. For more than two centuries our forebears labored in this country without wages; they made cotton king; they built the homes of their masters while suffering gross injustice and shameful humiliation and yet out of a bottomless vitality they continued to thrive and develop. If the inexpressible cruelties of slavery could not stop us, the opposition we now face will surely fail. We will win our freedom because the sacred heritage of our nation and the eternal will of God are embodied in our echoing demands.Dr. King offers his thoughts on the future of freedom for African Americans.Based on this paragraph, what is Dr. King's perspective on the future of the freedom movement?Question 29 options:The future of the freedom movement is uncertain if he remains in jail.Freedom in Birmingham can only be achieved with the support of the church.There will be freedom in Birmingham even without the support of the church.The church's involvement in the freedom movement will hinder the movement's efforts. Which of the following statements about cloud computing is incorrect? Software-a5-a-Service (Sa:S) is the lowest layer in cloud computing. The cloud provider in Infrastructure-as-a-Service (laaS) model ensures the underlying cloud infrastructure is always available. Cloud computing is the use of the internet to access applications, data, or services that are stored or run on a remote server. In a Platform-as-a-Service (PaaS) model, the cloud provider is responsible for providing a complete managed platform, for user's application to run.Previous questionNext question dr. istrati spent his whole working life selflessly helping sick and low-income people in developing countries around the world. this example illustrates