Question

In 2014, the per capital consumption of bottled water in the United States was reported to be 34 gallons. Assume that the per capital consumption of bottled water in the United States is approximately normally distributed with a mean of 34 gallons and a standard deviation of 8 gallons.

a. What is the probability that someone in the United States consumed more than 32 gallons of bottled water in 2014?

b. What is the probability that someone in the United States consumed between 10 and 18 gallons of bottled water in 2014?

c. What is the probability that someone in the United States consumed less than 8 gallons of bottled water in 2014?

d. Ninety percent of the people in the United States consumed less than how many gallons of bottled water.

Answer 1