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A company with a large fleet of cars hopes to keep gasoline costs down and sets...

A company with a large fleet of cars hopes to keep gasoline costs down and sets a goal of attaining a fleet average of at least 27 miles per gallon. To see if the goal is being​ met, they check the gasoline usage for 70 company trips chosen at​ random, finding a mean of 25.45 mpg and a standard deviation of 5.15 mpg. Is this strong evidence they have failed to attain their fuel economy​ goal?

Find the P-Value ____________

Please show the math and the actual steps. Thank you

Math   Statistics-And-Probability   
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