The mean gas mileage for a hybrid car is 56 miles per gallon.

| November 19, 2015

The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon. A. What is the probability that a randomly selected hybrid gets more than 60 miles per gallon? b. What is the probability that a randomly selected hybrid gets 50 miles per gallon or less? C. what is the probability that a randomly selected hybrid gets between 57 and 62 miles per gallon? d. What is the probability that a randomly selected hybrid gets less than 46 miles per gallon?

a. What is the probability that a randomly selected hybrid gets more than 60 miles per gallon?

b. What is the probability that a randomly selected hybrid gets 50 miles per gallon or less?

c. What is the probability that a randomly selected hybrid gets between 57 and 62 miles per gallon?

d. What is the probability that a randomly selected hybrid gets less than 46 miles per gallon?

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