In: Statistics and Probability
The annual per capita consumption of bottled water was
34.8 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 34.8 and a standard deviation of 13 gallons.
a. What is the probability that someone consumed more than 35 gallons of bottled water?
b. What is the probability that someone consumed between 20 and 30 gallons of bottled water?
c. What is the probability that someone consumed less than 20 gallons of bottled water?
d.90% of people consumed less than how many gallons of bottled water?