The average number of liters of fresh milk that a person consumes in a month is 18 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. a. Find the...

The average number of liters of fresh milk that a person consumes in a month is 18 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal.

a. Find the probability that a person selected at random consumes more than 16 liters per
month.

B. If a sample of 32 individuals is selected, find the probability that mean of the sample
will be more than 16 liters.