6. Researchers studying the effects of a new diet found that the weight loss over a one- year period by those on the diet was normally distributed with a mean of 10 kg and a standard deviation of 5 kg. a. What proportion of the dieters lost more than 13 kg? b. What proportion of the dieters gained weight? e. What is the probability that the mean weight loss of a random sample of 36 dieters is greater than 11 kg? d. What is the minimum amount of weight lost by those highest 3% of weight losers on the diet