1. The per capita consumption of bottled water in the United States is normally distributed with a mean of 42.5 gallons and a standard deviation of 10 gallons.

a) What is the probability that someone in the United States consumed more than 33 gallons of bottled water? b) What is the probability that someone in the United States consumed between 35 and 45 gallons of bottled water? est c) What range of the per capita consumption of bottled water in the United States are fall within approximately 60%? 4) If a random sample of 30 people is taken, what is the sample mean of the per capi consumption of bottled water in the United States is between 30 and 40 gallons?