In determining automobile mileage ratings, it was found that the mpg in the city (x) for a certain model is normally distributed, with a mean of 24 mpg and a standard deviation of 1.0 mpg. Find the following:
a. P(X) < 25)
b. P(22 < X < 24)
c. P(X > 26)
d. P(X < 23)
e. The mileage rating that the upper 5% of cars achieve