Mathematics, 15.04.2021 18:30 gd9075

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. 4.753 4.375 4.177 4.677 4.425 4.227 4.122 4.250 3.953 4.195 4.293 4.413 Send data to Excel Part: 0 / 20 of 2 Parts Complete Part 1 of 2 (a) Construct an 80% confidence interval for the mean rate. Round the answer to at least four decimal places. An 80% confidence interval for the mean rate is

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Following are interest rates (annual percentage rates) for a 30-year fixed rate mortgage from a samp...