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A Certain Car Model Has a Mean Gas Mileage of 28

Question 98

Multiple Choice

A certain car model has a mean gas mileage of 28 miles per gallon (mpg) with a standard deviation 5 mpg. A pizza delivery company buys 37 of these cars. What is the probability
That the average mileage of the fleet is between 27.2 and 28.8 mpg?


A) 0.1660
B) 0.8340
C) 0.6680
D) 0.3320

Correct Answer:

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