ZuoTi.Pro
Question

Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.30 gallons. From his records, he selects a random sample of 70 sales and finds the mean number of gallons sold is 8.40.

What is the point estimate of the population mean? (Round your answer to 2 decimal places.)

Develop a 95% confidence interval for the population mean. (Use z Distribution Table.) (Round your answers to 2 decimal places.)

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.50 gallons. From his records, he selects a random sample of 45 sales and finds the mean number of gallons sold is 8.30. a. What is the point estimate of the population mean? (Round your answer to 2 decimal...

  • Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 1.80 gallons. From his records, he selects a random sample of 80 sales and finds the mean number of gallons sold is 6.70. A)What is the point estimate of the population mean? (Round your answer to 2 decimal places.)...

  • Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.50 gallons. From his records, he selects a random sample of 70 sales and finds the mean number of gallons sold is 7.80. What is the point estimate of the population mean? (Round your answer to 2 decimal places.)...

  • Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.30 gallons. From his records, he selects a random sample of 70 sales and finds the mean number of gallons sold is 5.70. a. What is the point estimate of the population mean? (Round your answer to 2 decimal...

  • Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.30 gallons. From his records, he selects a random sample of 70 sales and finds the mean number of gallons sold is 6.20. What is the point estimate of the population mean? (Round your answer to 2 decimal places....

  • Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 1.80 gallons. From his records, he selects a random sample of 60 sales and finds the mean number of gallons sold is 8.10. a. What is the point estimate of the population mean? (Round your answer to 2 decimal...

  • Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean number of litres (L) of gasoline sold to his customers. Assume the number of litres sold follows the normal distribution with a standard deviation of 6 L. From his records, he selects a random sample of 12 sales and finds the mean number of litres sold is 38. a. What is the point estimate of the population mean? (Round the final answer to the...

  • Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean...

    Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean number of litres (L) of gasoline sold to his customers. Assume the number of litres sold follows the normal distribution with a standard deviation of 28 L. From his records, he selects a random sample of 23 sales and finds the mean number of litres sold is 71. a. What is the point estimate of the population mean? (Round the final answer to the...

  • Please check my answers. I'd like to know if I did them correctly. Bob Nale is...

    Please check my answers. I'd like to know if I did them correctly. Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of galions sold follows the normal distribution with a population standard deviation of 1.80 gallons. From his records, he selects a random sample of 60 sales and finds the mean number of gallons sold is 8.10. e. What is...

  • 1) The owner of a local gas station would like to estimate the mean number of...

    1) The owner of a local gas station would like to estimate the mean number of gallons sold to his customers. Assume that the number of gallons sold follow a normal distribution with a population standard deviation 0f 2.5 gallons. He selects a random sample of 100 sales and finds the mean number of gallons sold equals 9.2 What is the point estimate of the population mean? a. 8.2 b. 2.5 c. 100 d. 9 2) The owner of a...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT