c) That the mean of a randomly selected sample of 50 families of four will be less than 1985 pounds.Problem # 8 (12.5 pts). (Draw the bell curves for each question). Procter & Gamble reported that an American family of four washes and average of 1 ton (2000 pounds) of clothes each year. If the standard deviation is 195.2 pounds, find the following probabilities: a) That the mean of a randomly selected sample of 52 families of four will be between 1985 and 1992 pounds. b) That the mean of a randomly selected sample of 50 families of four will be greater than 1990 pounds