Question

According to the Current Results website, the state of California has a mean annual rainfall of...

According to the Current Results website, the state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a mean annual rainfall of 43 inches. Assume that the standard deviation for both states is 5 inches. A sample of 30 years of rainfall for California and a sample of 45 years of rainfall for New York has been taken. Use z-table. a. Show the probability distribution of the sample mean annual rainfall for California. (to 4 decimals). b. What is the probability that the sample mean is within 1 inch of the population mean for California? (to 4 decimals) c. What is the probability that the sample mean is within 1 inch of the population mean for New York? (to 4 decimals)

Homework Answers

Answer #1

22 5 30
43 5 45

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to the Current Results website, the state of California has a mean annual rainfall of...
According to the Current Results website, the state of California has a mean annual rainfall of 20 inches, whereas the state of New York has a mean annual rainfall of 55 inches. Assume that the standard deviation for both states is 5 inches. A sample of 30 years of rainfall for California and a sample of 45 years of rainfall for New York has been taken. Use z-table. a. Show the probability distribution of the sample mean annual rainfall for...
According to the Current Results website, the state of California has a mean annual rainfall of...
According to the Current Results website, the state of California has a mean annual rainfall of 25 inches, whereas the state of New York has a mean annual rainfall of 41 inches. Assume that the standard deviation for both states is 4 inches. A sample of 30 years of rainfall for California and a sample of 45 years of rainfall for New York has been taken. Use z-table. a. Show the probability distribution of the sample mean annual rainfall for...
The state of Texas has a mean annual rainfall of 25.2 inches, whereas the state of...
The state of Texas has a mean annual rainfall of 25.2 inches, whereas the state of New Jersey has a Mean annual rainfall of 44.5 inches. Assume the standard deviation for Texas is 4.9 inches and for New Jersey is 3.1 inches. Find the probabilty that, for a sample of 40 years of rainfall for New Jersey. the mean annual rainfall is at least 45 inches.
The mean annual rainfall in a particular region is 80 inches with a standard deviation of...
The mean annual rainfall in a particular region is 80 inches with a standard deviation of 8 inches. If a sample of 32 years is selected, what is the probability that the mean annual rainfall for this sample will be less than 79 inches?
A random sample of 35 locations in a western state yield an average annual precipitation of...
A random sample of 35 locations in a western state yield an average annual precipitation of 16.7 inches for last year. Suppose the standard deviation is 2.1 inches. If a meteorologist wants to estimate the rainfall mean within .2 inch with 90% confidence, how large of a sample does she need to take?
The 70-year long-term record for weather shows that for New York State, the annual precipitation has...
The 70-year long-term record for weather shows that for New York State, the annual precipitation has a mean of 39.48 inches and a standard deviation of 4.6 inches. The annual precipitation amount has a normal distribution. (Give your answers correct to four decimal places.) (a) What is the probability that next year the total precipitation for New York State is more than 50.3 inches? (b) What is the probability that next year the total precipitation for New York State is...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend the University of Southern California (USC) after deducting grants based on need is $24,675. Assume the population standard deviation is $7,100. Suppose that a random sample of 70 USC students will be taken from this population. a. What is the value of the standard error of the mean? (to nearest whole number) b. What is the probability that the sample mean will be more...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend the University of Southern California (USC) after deducting grants based on need is $24,975. Assume the population standard deviation is $6600. Suppose that a random sample of 80 USC students will be taken from this population. Use z-table. a. What is the value of the standard error of the mean? (to nearest whole number) b. What is the probability that the sample mean will...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend...
According to U.S. News & World Report's publication America's Best Colleges, the average cost to attend the University of Southern California (USC) after deducting grants based on need is $27,775 . Assume the population standard deviation is $8,200. Suppose that a random sample of 60 USC students will be taken from this population. Use z-table. a. What is the value of the standard error of the mean? (to nearest whole number) b. What is the probability that the sample mean...
Allegiant Airlines charges a mean base fare of $88. In addition, the airline charges for making...
Allegiant Airlines charges a mean base fare of $88. In addition, the airline charges for making a reservation on its website, checking bags, and inflight beverages. These additional charges average $36 per passenger. Suppose a random sample of 70 passengers is taken to determine the total cost of their flight on Allegiant Airlines. The population standard deviation of total flight cost is known to be $40. A) What is the probability the sample mean will be within $10 of the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT