# Question

United Motors claims that one of its cars, the Starbird 300, gets city driving mileages that are normally distributed with a mean of 30 mpg and a standard deviation of 1 mpg. Let x denote the city driving mileage of a randomly selected Starbird 300.

a. Assuming that United Motors’ claim is correct, find P(x ≤ 27).

b. If you purchase (randomly select) a Starbird 300 and your car gets 27 mpg in city driving, what do you think of United Motors’ claim? Explain your answer.

a. Assuming that United Motors’ claim is correct, find P(x ≤ 27).

b. If you purchase (randomly select) a Starbird 300 and your car gets 27 mpg in city driving, what do you think of United Motors’ claim? Explain your answer.

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