# Question: A normal population has a mean of 60 and a

A normal population has a mean of 60 and a standard deviation of 12. You select a random sample of 9. Compute the probability the sample mean is:

a. Greater than 63.

b. Less than 56.

c. Between 56 and 63.

a. Greater than 63.

b. Less than 56.

c. Between 56 and 63.

## Answer to relevant Questions

A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is:a. Less than 74.b. Between 74 and 76.c. Between 76 and 77.d. Greater than 77.There are 25 motels in Goshen, Indiana. The number of rooms in each motel follows:a. Using a table of random numbers (Appendix B.4), select a random sample of five motels from this population.b. Obtain a systematic sample ...Information from the American Institute of Insurance indicates the mean amount of life insurance per household in the United States is $110,000. This distribution follows the normal distribution with a standard deviation of ...Refer to the Real Estate data, which report information on the homes sold in the Goodyear, Arizona, area last year. Use statistical software to compute the mean and the standard deviation of the selling prices. Assume this ...The Fox TV network is considering replacing one of its prime-time crime investigation shows with a new family-oriented comedy show. Before a final decision is made, network executives commission a sample of 400 viewers. ...Post your question