subject

Mathematics, 19.10.2021 16:00 tmgoddess2004

CNNBC recently reported that the mean annual cost of auto insurance is 1003 dollars. Assume the standard deviation is 282 dollars, and the cost is normally distributed. You take a simple random
sample of 38 auto insurance policies. Round your answers to 4 decimal places.
a. What is the distribution of X? X-N( 1003 282 OOM
b. What is the distribution of X? X-NC 1003 45.746)
c. What is the probability that one randomly selected auto insurance is more than $959?
d. a simple random sample of 38 auto insurance policies, find the probability that the average
cost is more than $959.

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 21:30

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Answers: 1

question

Mathematics, 22.06.2019 02:00

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens

Answers: 2

question

Mathematics, 22.06.2019 02:00

Answer asap! urgent! will give brainliest!

Answers: 2

question

Mathematics, 22.06.2019 04:30

Jamie has 7/10 of a pound of chicken to cook for dinner if she's going to put the chicken in between three people how much chicken will each person get

Answers: 1

You know the right answer?

CNNBC recently reported that the mean annual cost of auto insurance is 1003 dollars. Assume the st...

Questions

question

Social Studies, 03.03.2020 06:11

Your younger sister has asked you for help because she feels she cannot remember class material well enough to get good grades on her tests. Provide t...

question

Mathematics, 03.03.2020 06:11

Las casas de el lado donde vive carina tienen los numeros pares el primero es el numero 200 y la ultima 240¿cuantas casas hay de ese lado de la calle?...

question

Business, 03.03.2020 06:11

Sam Seller was worried that Barney would not perform under the contract and demanded an assurance. How many days does Barney have from Sam's demand to...

question

Mathematics, 03.03.2020 06:11

Find the area of the shaded segment of the circle. The area of the shaded segment is cm (Round to the nearest tenth as needed.).

question

Mathematics, 03.03.2020 06:11

Question 40 and it about adding and subtracting polynomials

question

Computers and Technology, 03.03.2020 06:11

Wireshark capture files, like the DemoCapturepcap file found in this lab, have a extension, which stands for packet capture, next generation....

question

Business, 03.03.2020 06:11

34. A small company that shovels sidewalks and driveways has 100 homes signed up for its services this winter. It can use various combinations of capi...

question

Social Studies, 03.03.2020 06:11

prohibits an organization from collecting any personal information unless the individual specifically takes action to approve information collection a...

question

Health, 03.03.2020 06:11

Which theory would suggest that watching a horror movie late at night could make you more likely to interpret unfamiliar, faint sounds in your home as...

question

Mathematics, 03.03.2020 06:11

Mary delivers 32 newspapers to her customers in 25 minutes. These deliveries represent 64% of her customers. How many customers does Mary have?...

question

Biology, 03.03.2020 06:11

There are multiple lines of evidence that provide support for common ancestry and evolution. Write 3-4 paragraphs describing...

question

History, 03.03.2020 06:11

Which of these is describing the northern renaissance A) The Pope prevented the wealthy from funding artist B) Economic life radica...

question

Mathematics, 03.03.2020 06:11

A sample of 250 students applied colleges and 58 of them applied to local colleges. Find 95% confidence interval of true proportion of students who ap...

question

Mathematics, 03.03.2020 06:11

Given the function p\left(x\right)=4x+5, what domain value corresponds to a range value of -3?...

question

Mathematics, 03.03.2020 06:11

Can someone please help me ?...

question

Mathematics, 03.03.2020 06:11

What is the linear equation in slope-intercept form 4x+y=10...

question

Computers and Technology, 03.03.2020 06:11

With any installation, remember the importance of using a ground strap (ground bracelet) to ground yourself when working inside a computer case to pro...

question

Business, 03.03.2020 06:11

You are scheduled to receive $17,000 in two years. When you receive it, you will invest it for six more years at 9.75 percent per year. How much will...

question

Mathematics, 03.03.2020 06:11

Since the ratios for sides of triangles are the same, when the angles are the same, ? have been developed which show these ratios for every angle enco...

question

Business, 03.03.2020 06:11

Olsen Outfitters Inc. believes that its optimal capital structure consists of 55% common equity and 45% debt, and its tax rate is 40%. Olsen must rais...

More questions: Mathematics Another questions

Questions on the website: 13722363