Question: Assuming that the price of gas per gallon in a city is normally distributed with a mean

of $1.90 and a standard deviation of $0.10, answer the following questions:

a. What percent of gas stations charge within ± 10¢, 20¢, and 30¢ around the mean?

b. Find two prices symmetrically around the mean in which 90% of gas stations charge within those two prices..

c. Find two prices symmetrically around the mean in which 95% of gas stations charge within those two prices.

d. Find two prices symmetrically around the mean in which 99% of gas stations charge within those two prices.

e. What is the probability a gas station selected at random charge more than $2.50.