The annual per person consumption of Ice Cream is normally distributed with a mean of 16.5 lbs. and a standard deviation of 2.5 pounds. (U.S. Dept. of Agriculture)
A. Find the probability that a randomly person consumes more than 20 pounds of Ice Cream in a year.
B. If 36 people are selected at random and the average consumption is calculated, find the probability that the mean is less than 16 lbs.