As part of an annual review of its accounts, a discountbrokerage selects a random sample of 28 customers. Their accountsare reviewed for total account valuation, which showed a mean of$32,300, with a sample standard deviation of $8,500. (Use tDistribution Table.) What is a 98% confidence interval for the meanaccount valuation of the population of customers? (Round youranswers to the nearest dollar amount.) 98% confidence interval forthe mean account valuation is between $ ___ and $ ___
