The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 35 and a standard deviation of 9. Suppose that one individual is randomly chosen. Let X = average percent of fat calories. a. X ~ =.
b. For the group of 16, find the probability that the average percent of fat calories consumed is more than five. Graph the situation and shade in the area to be determined.
c. Find the first quartile for the average percent of fat calories.