In 2011, the per capita consumption of coffee in Sweden was reported to be 7.27 kg, or

Question:

In 2011, the per capita consumption of coffee in Sweden was reported to be 7.27 kg, or 15.994 pounds. (Data extracted from www.ico.org.) Assume that the per capita consumption of coffee in Sweden in 2011 is approximately normally distributed with a mean of 15.994 pounds and a standard deviation of 5 pounds.
a. What is the probability that someone in Sweden consumed more than 10 pounds of coffee in 2011?
b. What is the probability that someone in Sweden consumed between 3 and 5 pounds of coffee in 2011?
c. What is the probability that someone in Sweden consumed less than 5 pounds of coffee in 2011?
d. 99% of the people in Sweden consumed less than how many pounds of coffee in 2011?