Mortgage rates: Following are interest rates (annual percentage rates} for a 30year xed 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 4.3?5 4.17? 4.6"\" 4.425 4.22? 4.12.2 4.250 3.953 4.195 Sa'ddatabEmel (a) Construct a 99% condence interval for the mean rate. Round the answer to at least four decimal places. A 99% condence interval for the mean rate is E]