16 points Save Answer Of those people who lose weight on a diet, 90% gain all the weight back. In a random sample of 12 dieters who who have lost weight, what is the probability of each of the following? (a). At least 9 gain the weight back. (b). at most than 6 gain the weight back. (C). From 8 to 10 gain the weight back, including 8 and 10. (d). Find the expected value. (e). Find the standard deviation