In 2015, the per capita consumption of soft drinks in the United States was reported to be 650 eight-ounce servings.

Source: Data extracted from fortune.com/2016/03/29/soda-sales-drop-11th-year.

Assume that the per capita consumption of soft drinks in the United States is approximately normally distributed with a mean of 650 eight-ounce servings and a standard deviation of 100 eightounce servings.

a. What is the probability that someone in the United States consumed more than 750 eight-ounce servings in 2015?

b. What is the probability that someone in the United States consumed between 450 and 500 eight-ounce servings in 2015?

c. What is the probability that someone in the United States consumed less than 450 eight-ounce servings in 2015?

d. Ninety-nine percent of the people in the United States consumed less than how many servings of eight-ounce soft drinks in 2015?