Answer:1A. 20.5
2A. 14.54
1B. 14.625
2B. quite good reasonable
Step-by-step explanation:
Mean is used to measure central tendency (i.e. representative of data) and standard deviation is use to measure dispersion of data. The formula use to calculate mean and variance is :
1A. Mean of six sample =
⇒
⇒ Mean = 20.5
Standard deviation of six sample =
⇒ σ = 14.54
2A. Total number of error = 36 + 14 + 21 + 39 + 11 + 2 = 123
Total number of error made by all scans is 123 error per 6000 scans.
1B. Mean of all 12 samples is:
⇒
⇒ Mean = 23.5
Standard deviation of all 12 samples =
⇒ σ = 14.625
2B. Taking small sample instead of large sample can be quite risky sometimes as larger sample give us more accurate result than small sample.
But here we can take a small sample because the mean of both the size of the sample is near about.
Step-by-step explanation:
Circles A, B, and C overlap. The overlap of circles B and C is labeled x.
Which statements are true about x? Select three options.
x ∈ B ⋃ C
x ∈ B ∩ C
x ∈ A ⋃ C
x ∈ A ∩ C
x ∈ A
Given:
Circles A, B, and C overlap.
The overlap of circles B and C is labeled x.
To find:
The three correct statements about x.
Solution:
It is given that the overlap of circles B and C is labeled x. It means x represent the common elements of B and C.
So, x belongs to the intersection and union of B and C.
[tex]x\in B\cup C[/tex]
[tex]x\in B\cap C[/tex]
Since x is the element of C, therefore it is also the element of A union C.
[tex]x\in A\cup C[/tex]
The overlap of circles B and C is labeled x. It means [tex]x\notin A[/tex]. So,
[tex]x\notin A\cap C[/tex].
Therefore, the correct options are A, B and C.
Answer:
A, B and C.
Step-by-step explanation:
edge
Which expression shows the product of the sum 3 and h and 8?
3 + h + 8
8(3 + 8 )x 3
(H + 8 )x 3
3 x h x 8
Answer:
I'm sorry I am not trying to steal your points but do you mean the product of the sum of 3? Because a letter can't be a sum unless it equals to a number
Halla X
Para una practica de 11 mins q-q
what is the slope of this graph
Answer:
-4
Step-by-step explanation:
Slope is -4.
Because 0-6 / 3-1
-6 / 2 = -4
Answer:
here is your answer: the line is your rise over run. not what you wanted? if so.. the answer to the question is the change in x and in y
Step-by-step explanation:
Please help , will mark brainliest.
Answer: 30 ft
hope this helped :)
Which set of numbers contains only rational numbers?
Answer:
A because of the Earth or D because of you
AB = BC. BD bisects ABC
Ms. Gonzales is investing $17000 at an annual interest rate of 6%
compounded continuously. How much money will be in the account after
16 years? Round your answer to the nearest hundredth (two decimal
places).
Answer:
44398.84
Step-by-step explanation:
17,000e^(0.06)(16)
it helps to use a desmos scientific calculator
All Questions Are Above
Answer:
2. 5.25
3. 3
4. 81.68
Step-by-step explanation:
Hope this helps and sorry if i'm wrong
The World Health Organization (WHO) suggests having 23 health-care workers for every 10,000 people. How many health-care workers are needed to meet the suggestion of 250,000 people? Justify your answer using a graph.
Answer:
575Step-by-step explanation:
10000 ⇒ 23250000 ⇒ xCross-multiply and solve for x:
x = 250000*23/10000x = 575Health care workers be x
x/23=250000/10000x/23=25x=23(25)x=575Graph attached
Scale applied 1=0.001
Find the radius of a hemisphere with a volume of 106.1 cubic inches. Round to the nearest tenth if necessary.
Answer:
Step-by-step explanation:
PLEASE HELP WILL GIVE BRAINLIEST
Answer:
length of a regular hexagon's sides is using the following formula: s = P ÷ 6, where P is the perimeter of the hexagon, and s is the length of any one of its sides.
Which is the value of this expression when m=3 and n=-5? (6m^-1 n^0)^-3
A:-8
B:-1/8
C:1/8
D:8
Answer:
The answer is C.
Step-by-step explanation:
I would simplify the expression first.
Equation: (6m^-1)^-3
You can get rid of n^0 because that equals 1.
Any expression raised to the power of -1 equals its reciprocal.
Equation: (6/m)^-3
Equation: (m/6)^3
Final Equation: m^3/216
Now, plug in 3.
(3)^3/216.
27/216 = 1/8
Hope this helps!
Normal distribution has a mean of 103 and a standard deviation of 2.7 what is the Z score of 105. enter your answer rounded to the nearest hundredth.
Answer:
Step-by-step explanation:
105 - 103 ]
_________ = z score ≈ 0.74
2.7
A company that sells yoga mats estimates its annual profit using the equation below, where x represents the wholesale price in dollars of 1 yoga mat, and P = annual profit in thousands of dollars.
P = 10x? - 280x + 1,600 When the expression on the right side of this equation is factored completely, which best describes the meaning of the factors?
The annual profit is zero at a wholesale price of $80 and zero at a wholesale price of $200.
The annual profit is zero at a wholesale price of $8 and maximized at a wholesale price of $20.
The annual profit is zero at a wholesale price of $80 and maximized at a wholesale price of $200.
The annual profit is zero at a wholesale price of $8 and zero at a wholesale price of $20.
Answer: (d)
Step-by-step explanation:
Given
Annual profit is given by
[tex]P=10x^2-280x+1600[/tex]
When it is factored then,
[tex]\Rightarrow 10x^2-280x+1600=0\\\Rightarrow 10\left( x^2-28x+160\right)=0\\\Rightarrow x^2-20x-8x+160=0\\\Rightarrow x(x-20)-8(x-20)=0\\\Rightarrow (x-8)(x-20)=0\\\Rightarrow x=8,20[/tex]
On factorization, we get that annual profit is zero at a whole prize of $8 and $20.
14 = 7n
help please
Answer:
n = 2
Step-by-step explanation:
divide by 7 on both sides
Answer:
n = 2
Step-by-step explanation:
7n is the same as 7 times value = 14.
You may find the value of n by simply dividing both sides by seven, in order to isolate the variable.
^ 14/7 = 7n/7
^ (simplified) 2 = n or n =2
Therefore:
Your answer is 2 or n's value in this scenario is 2.
Which of the four represents x or y
Answer:
Option B
Step-by-step explanation:
hope it helps...
have a great day!!
Tanisha grew by 15 cm in the past year, and is now 1.5 meters tall. How tall in cm was Tanisha last year?
Answer:
Tasha was 135 cm last year
Step-by-step explanation:
1/2x^2-x-4=0 (PLEASE GIVE REAL ANSWER)
Find the Axis of Symmetry and Vertex and Solutions. Show work.
Write the equation of the line that passes
through the points (-7,-9) and (-3,-1)
Answer:
2x + 5
Step-by-step explanation:
I am assuming you are talking about a linear function. If it is, then the equation would be:
2x + 5.
Hope this helps!
Answer:
[tex]y = 2x + 5[/tex]
Step-by-step explanation:
For this example, I used the slope-intercept form, [tex]y = mx + b[/tex], where m represents the slope and b represents the y-intercept.
In order to find the equation, we must find the slope and y-intercept.
Finding mThe slope can be found with the formula:
[tex]m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}[/tex], where the x and y variables represent different x and y values from the given points.
Substituting in values from the points, we get:
[tex]m = \frac{-1 + 9}{-3 + 7}\\\\m = \frac{8}{4}\\\\m = 2[/tex]
Finding bIn order to find the y-intercept, we must substitute the slope back into the original equation:
[tex]y = 2x + b[/tex]
After this, we must also substitute either of the two points. Both will give the correct answer, but (-3, -1) will be used for this example.
[tex]-1 = 2(-3) + b\\-1 = -6 + b\\5 = b[/tex]
Finding the equationAfter this, all that must be done is to substitute the values for b and m back into the original equation.
[tex]y = 2x + 5[/tex]
To check our work, we can substitute in either of the given points. For demonstration purposes, (-7, -9) will be used.
[tex](-9) = 2(-7) + 5\\-9 = -14 + 5\\-9 = -9[/tex]
Can a triangle have lengths of 1, 16, and 16 ...Can anyone help ?
Answer:
Yes they can it would be a isosceles triangle.
Step-by-step explanation:
An isosceles triangle can have 1 side that is different from the other 2.
Answer:
yes
Step-by-step explanation:
an isosceles triangle can have those sides
Help MATH please EEEEE
Pam is 11 years older than Carl. If the sum of their ages is 91, how old are Pam and Carl?
Answer:
Pam is 51 while Carl is 40
Step-by-step explanation:
giving brainliest
What is the magnitude (size) of –7.5?
A., because |–7.5| =
B.–7.5, because |–7.5| = 7.5
C.7.5, because |–7.5| = 7.5
D.7.5, because |–7.5| = –7.5
Answer: C
Step-by-step explanation:
7.5, because |-7.5|= 7.5
If a negative number is in between these bars | | then it becomes a positive.
Andre is preparing for the school play and needs to paint the cardboard castle backdrop that measures 16 1/3 feet by 6 feet.
1. How much cardboard does he need to paint?
2. If one bottle of paint covers an area of 30 square feet, how many bottles of paint does Andre need for his backdrop? (Remember, he can't buy a partial bottle of paint.)
Sharlene opened a new account and deposited $6,000.
- The bank pays 5.5% interest compounded annually.
- She makes no other deposits or withdrawals.
Which amount is closest to the amount in her account at the end of 5 years? 9 points
A. $7,841.76
B. $7,650.00
C. $6,330.00
D. 6,155.00
Answer:
B
Step-by-step explanation:
Could someone answer this please?
Answer:
I think its false
Step-by-step explanation:
I've tried every strategy there is no way there could be a function
Answer:
I think its false
Step-by-step explanation:
cuz it's not a function
The height, h, of a baseball thrown upward with an initial velocity of 10
feet per second from 6 feet above the ground is modeled by the function
h = -16x2 + 10x + 6, where x is the time in seconds. How long does it
take before the ball hits the ground?
Answer:
1 second
Step-by-step explanation:
use the general quadratic formula
30 was rounded to 1 significant figure.
What is the lower bound?
Answer:
25.
Step-by-step explanation:
25 to 1 significant figure is 30.
What is the length, in feet, of the hypotenuse of a right triangle with legs that are 6 feet long and 7 feet long, respectively?
√
13
square root of 13
√
85
square root of 85
13
13
21
21,
42