Question

The annual per capita consumption of bottled water was 32.7 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 32.7 and a standard deviation of 10 gallons. a. What is the probability that someone consumed more than 33 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. 97.5​% of people consumed less than how many gallons of bottled​ water?

Answer 1

a)

the per capita consumption of bottle water is approximately normally distributed with a mean of

The standard deviation of

The probability that someone consume more than 33 gallons of bottled water is

.

The probability that someone consumed more than 33 bottled water is 0.488

b)

The probability that someone consumed between 20 and 30 gallons of bottled​ water

c)

the probability that someone consumed less than 20 gallons of bottled water

d)

97.5% of people consumed less than how many gallons

Which indicates that