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Miles per gallon and a standard deviation

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Reference no: EM132149925

A car company claims that the mean gas mileage for its luxury sedan is at least 24 miles per gallon. A random sample of 7 cars has a mean gas mileage of 23 miles per gallon and a standard deviation of 2.4 miles per gallon. At α=0.05, can you support the company's claim?

Reference no: EM132149925

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