According to the Bottled Water Trends for 2014 report bit
According to the “Bottled Water Trends for 2014” report (bit . ly/ 1gx5ub8), the U. S. per capita consumption of bottled water in 2013 was 31.8 gallons. Assume that the per capita consumption of bottled water in the United States is approximately normally distributed with a mean of 31.8 gallons and a standard deviation of 10 gallons.
a. What is the probability that someone in the United States consumed more than 32 gallons of bottled water in 2013?
b. What is the probability that someone in the United States ­consumed between 10 and 20 gallons of bottled water in 2013?
c. What is the probability that someone in the United States consumed less than 10 gallons of bottled water in 2013?
d. Ninety- nine percent of the people in the United States consumed less than how many gallons of bottled water?
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