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OpenStudy (anonymous):
a car company advertises on their website that the EPA estimated highway gas mileage of a 2010 Car is 25.0 miles per gallon (mpg). Assuming the gas mileages have a standard deviation of 1.6 mpg, answer the following questions. a) What is the probability that the mean highway gas mileage of a random sample of 36 cars is between 24.5 mpg and 26.5 mpg?
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