Mathematics, 07.04.2020 22:47 2023greenlanden

Fifteen SmartCars were randomly selected and the highway mileage of each was noted. The analysis yielded a mean of 47 miles per gallon and a standard deviation of 5 miles per gallon. Which of the following would represent a 95% confidence interval for the average highway mileage of all SmartCars

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Fifteen SmartCars were randomly selected and the highway mileage of each was noted. The analysis yie...

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