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Indicate the fuel economy of compact cars

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Reference no: EM132857937

EPA studies of fuel consumption indicate the fuel economy of compact cars is approximately normally distributed with a mean of 31.5 miles per gallon and a standard deviation of 5.7 miles per gallon. The fuel economy of large cars is approximately normally distributed with a mean of 26.3 miles per gallon and standard deviation of 5.1 miles per gallon.

-What proportion of compact cars are expected to get higher than 31.4 miles per gallon

- What proportion of large cars are expected to get higher than 31.4 miles per gallon

-The 6% most fuel efficient large cars are expected to get at least how many miles per gallon

Reference no: EM132857937

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