need help fast im giving 20 points

Answers

Answer 1

Answer:

Step-by-step explanation:

Related Questions

We shuffle a deck of cards and deal three cards (without replacement). Find the probability that the first card is a queen, the second is a king, and the third is an ace.

Answers

Answer:

the probability that the first card is a queen, the second is a king, and the third is an ace is 0.000482655

Step-by-step explanation:

Given the data in the question;

we know that a deck of cards contains 52 cards

3 cards are dealt out without replacement

probability that first card is queen, the second is king and third is an ace will be;

P(First is a King, second is a Queen, third is an Ace) = [ 4/52 ] × [ 4/51 ] × [4/50]

= 64 / 132,600

= 0.000482655

Therefore, the probability that the first card is a queen, the second is a king, and the third is an ace is 0.000482655

Caviar is an expensive delicacy, so companies that package it pay very close attention to the amount of product in their tins. Suppose a company that produces over 1000 tins of caviar per day took an SRS of 20 tins from one day's production. The sample showed a mean of 99.8g of caviar per tin with a standard deviation of 0.9g. The data were roughly symmetric with no outliers.

Required:
Based on this sample, estimate with 95, percent confidence the mean amount of caviar (in grams) per tin from that day's production.

Answers

Answer:

95% of the confidence interval of the mean amount of caviar per tin from that day's production

(99.3788.100.2212)

Step-by-step explanation:

Step(i):-

Given that the size of the sample 'n' = 20

Given that mean of the sample = 99.8 g

Given the standard deviation of the sample = 0.9g

Level of significance = 0.05

[tex]t_{\frac{0.05}{2} ,19} = t_{0.025,19} = 2.093[/tex]

Step(ii):-

95% of the confidence interval of the mean amount of caviar per tin from that day's production

[tex](x^{-} - t_{0.025,19} \frac{S}{\sqrt{n} } , x^{-} + t_{0.025,19} \frac{S}{\sqrt{n} })[/tex]

[tex](99.8 - 2.093 \frac{0.9}{\sqrt{20} } , 99.8 + 2.093 \frac{0.9}{\sqrt{20} })[/tex]

on simplification, we get

(99.8 -0.4212 , 99.8+0.4212)

(99.3788.100.2212)

Final answer:-

95% of the confidence interval of the mean amount of caviar per tin from that day's production

(99.3788.100.2212)

The confidence interval with 95% confidence where the mean amount of caviar (in grams) per tin from that day's production is [tex]\bold{99.8 \pm 0.9344}[/tex].

Given to us,

size of the sample, n = 20,

mean of the sample, [tex]\bar{x}[/tex] = 99.8 g

the standard deviation of the sample, σ = 0.9g

As, we know, the confidence level value for 95% confidence is 1.960.

[tex]z = 1.960[/tex]

Also, the formula for the confidence interval is given as,

[tex]CI = \bar{x} \pm z \dfrac{s}{\sqrt{n}}[/tex]

where,

CI = confidence interval

[tex]\bar{x}[/tex] = sample mean

z = confidence level value

σ = sample standard deviation

n = sample size

For, 95% of the confidence interval of the mean amount of caviar per tin from that day's production,

[tex]CI = \bar{x} \pm z \dfrac{\sigma}{\sqrt{n}}[/tex]

substituting the values,

[tex]\begin{aligned}CI &= 99.8 \pm (1.960) \dfrac{0.9}{\sqrt{20}}\\&=99.8 \pm 0.9344\\\end{aligned}[/tex]

Hence, the confidence interval with 95% confidence where the mean amount of caviar (in grams) per tin from that day's production is [tex]\bold{99.8 \pm 0.9344}[/tex].

To know more visit:

https://brainly.com/question/2396419

M and N are whole numbers and M×N is divisible by 2. Which statement about M is True,when N is odd?

Answers

Answer:

A. Must be even

Step-by-step explanation:

Even number * odd number = even number

What is the volume of the rectangular prism?

Answers

Answer:

72cm³

Step-by-step explanation:

The volume of the rectangular prism = Base area * Height

Base area = length * width

Base area = 6cm * 3cm = 18cm²

Height = 4cm²

volume of the rectangular prism = 18 * 4

volume of the rectangular prism = 72cm³

What is the factored expression for 14 X +49

Answers

Answer:

7( 2x+7)

Step-by-step explanation:

14 X +49

Rewriting

2*7*x + 7*7

Factor out a 7 from each term

7( 2x+7)

On February 1 (in a non-leap year), Raul Avila deposited $10,000 in a savings account that pays 5.5
percent interest compounded daily. On June 21, how much interest had been earned on the principal
in the account?

Answers

Answer:

210

Step-by-step explanation:

i believe this is the answer if the compound interest is 1.50 a day

Convert 7% as a decimal

Answers

Answer:

0.07

56 laps in 7 minutes corresponds to the unit rate:

56 laps / 7 minutes = 8 laps/minute

That is : 8 laps per minute

Answer:

8 laps per min

Step-by-step explanation:

56 laps in 7 minutes!? They must be the flash

I WILL GIVE BRAINLY HELPPP Find the total surface area of the right triangular prism given:
LE = 90°, DE = 12 inches, EF = 16 inches, DF = 20 inches, and EB = 11 inches.

Answers

Answer:

The height of right triangular prism is 7.5 in.

hope this helps

Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in 15 seconds or walk down it in 30 seconds. One day, when the escalator was broken (and stationary), it took Thomas 20 seconds to run down it. How long, in seconds, would it take Thomas to walk down the broken escalator?

ANSWER QUICK PLS ASAP

Answers

.....................

Answer:

Step-by-step explanation:

Write the perimeter of the triangle as a simplified
polynomial. Then factor the polynomial.
2x2 +1
8x+2
x²+2x

Answers

Answer: below hopes it helps

Step-by-step explanation:

If f4y 3 = 6y + 9, what is the value of 7y?

Answers

Answer:

-3-6y=9

Step-by-step explanation:

The answer is y = -1

Sweet Treats sells candy by the
pound as shown in the table:

Oscar says the unit rate is $3.99 per pound of candy

Olivia says the unit rate is 7.98 per pound of candy

A. Oscar
B. Olivia

Why did you use this answer

Answers

The unit rate is 3.99 meaning Oscar is correct. The correct answer is A because if you divide the cost by the amount you will get 3.99. :)

quadrilateral ABCD is a kite with an area of 14cm squared. the length of ED is 5 cm. what is the length of BE?

Answers

Answer:

Step-by-step explanation:

The length of BE is 5.6 cm.

What is a quadrilateral?

Any closed figure made by 4 line segments joined end to end in series is called a quadrilateral.

The area of a kite can be calculated as;

A = d1 x d2 / 2

WE are given the parameters as;

d1 = ED = 5 units

A quadrilateral ABCD is a kite with an area of 14cm squared.

Therefore,

14 = 5 x BE / 2

14 x 2 = 5 BE

28 = 5 BE

BE = 5.6 cm.

Learn more about quadrilaterals here:

https://brainly.com/question/1365755

What is the inverse function of f(x) = x

Answers

f-1(x) f(x)-1
Inverse of the function f f(x)-1 = 1/f(x) (the Reciprocal

11. Two students describe how to solve the equation, 23+n=29 . Student A says to add 23 to both sides, while Student B says to subtract 23 from both sides. [3 points]
Part A. Which student has the correct description and why?
Part B. Solve the equation 23 + n =29 using inverse operations.

Answers

Answer:

student b

Step-by-step explanation:

the 23 is a positive # so you would not add but subt.

23+n=29

-23 -23

n=6

Answer:

You have Ms. Keten too? Tbh I dont like her as a math teacher.

YOU HAD YOUR WORD TASTUMI YOU HAD YOUR WORD!2

Answers

Answer:

yes :(

Step-by-step explanation:

help me please...step by step pleaseeeee

Answers

Answer: [tex]10\sqrt{10}[/tex]

Step-by-step explanation:

Geometric mean= Number of terms root of the product of all the terms of that sequence

sqrt(2sqrt(5)*5sqrt(2))= 10sqrt(10)

Find the total fare with 15% tip: 1 passenger, 512 miles.

$9.89

$9.20

$10.23

$8.60

Answers

Answer:

37.92

Step-by-step explanation:

just add

Answer:

The answer would be $8.60

Step-by-step explanation:

The area of Shawn's bedroom is 110 square feet. He places his bed, which is 7 feet long and 5 feet wide, in one corner of the bedroom. How much space will Shawn have left?

Answers

Answer:

gggg

Step-by-step explanation:

duxufif8fis5durris5is

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