In 2012, the per capita consumption of soft drinks in the United States was reported to be 44 gallons. (Data extracted from on-msn .com/XdwVlq.) Assume that the per capita consumption of soft drinks in the United States is approximately normally distributed with a mean of 44 gallons and a standard deviation of 14 gallons.
a. What is the probability that someone in the United States consumed more than 60 gallons of soft drinks in 2012?
b. What is the probability that someone in the United States consumed between 15 and 30 gallons of soft drinks in 2012?
c. What is the probability that someone in the United States consumed less than 15 gallons of soft drinks in 2012?
d. Ninety-nine percent of the people in the United States consumed less than how many gallons of soft drinks?