A simple random sample with n=56 provided a sample mean of 24 and a sample standard...

A simple random sample with n=56 provided a sample mean of 24 and a sample standard deviation of 4.6.

a. Develop a 90% confidence interval for the population mean (to 1 decimal). ,

b. Develop a 95%confidence interval for the population mean (to 1 decimal). ,

c. Develop a 99% confidence interval for the population mean (to 1 decimal). ,

d. What happens to the margin of error and the confidence interval as the confidence level is increased?

Expert Solution

orchestra answered 2 years ago

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