Round sample of 20 acres gave a mean yield of wheat equal to 41.4 bushels per acre with a standard deviation of 3 bushels assuming that the yield of wheat per acre is normally distributed construct A...

Round sample of 20 acres gave a mean yield of wheat equal to 41.4 bushels per acre with a standard deviation of 3 bushels assuming that the yield of wheat per acre is normally distributed construct A 90% confidence interval for the population mean u. Round your answer to two decimal places