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Good afternoon I need the answers to these questions, please. 1.) Parts 1 and 2? Mortgage rates: Following are interest rates (annual percentage rates) for

Good afternoon I need the answers to these questions, please.
1.) Parts 1 and 2?
Mortgage rates: Following are interest rates (annual percentage rates) for a 30-year fixed rate mortgage from a sample of lenders in Macon, Georgia for one day. It is reasonable to assume that the population is approximately normal. 4.752 4.375 4.173 4.675 4.421 4.229 4.128 4.250 3.954 4.295 4.411 Send data to Excel Part 1 of 2 (a) Construct a 99% confidence interval for the mean rate. Round the answer to at least four decimal places. A 99% confidence interval for the mean rate is

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