2. The average number of liters of fresh milk that a person consume in a month is 18 liters. assume that the standard deviation is 4.5 litres and the distribution is approximately normal. A.find the...

2. The average number of liters of fresh milk that a person consume in a month is 18 liters. assume that the standard deviation is 4.5 litres and the distribution is approximately normal.

A.find the probability that a person selected at random consumes more than 16 liters month

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