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1.You wish to know the average GPA of MBA students at Whatsamatta U. Compute the 95% confidence interval of the mean using the sample of 200 students. Describe your findings.
2.You wish to know the proportion of MBA students that are majoring in Finance. Compute the 95% confidence interval of the proportion using the sample of 200 students. Describe your findings.
3.You wish to learn the average age of an MBA student within 2 years and with 99% confidence. How large of a sample should you get?
4.You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get?

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