Question: In each case, use the information given to compute a confidence interval for the population mean m. Assume that all necessary conditions are present for

In each case, use the information given to compute a confidence interval for the population mean m. Assume that all necessary conditions are present for using the method described in Section 11.2.

a. x 5 76, s 5 6, n 5 9, 95% confidence level.

b. x 5 76, s 5 6, n 5 9, 90% confidence level.

c. x 5 76, s 5 6, n 5 16, 90% confidence level.

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