A random sample of 32 persons attending a certain diet clinic was found to have lost, over a threeweekperiod, an average of 30 pounds with a sample...

A random sample of 32 persons attending a certain diet clinic was found to have lost, over a threeweekperiod, an average of 30 pounds with a sample standard deviation of 11 pounds. Calculate a99% confidence interval estimate of the true mean weight loss, over a three-week period,experienced by all persons attending the clinic. You may assume that the distribution of weightloss is normal.