A new weight-watching company, Weight Reducers International, advertises that those who join will lose, on the average, 10 pounds in the first two weeks. The population standard deviation is 28 pounds. A random samole of 50 people who ioined the new weiaht reduction program revealed the mean loss to be 9 pounds. Is it reasonable to conclude that those joining Weight Reducers will lose, on average, less than 10 pounds!