Question: : Test the claim that a sample is from a population with a mean that is less than the speed limit of 65 mph. Use

: Test the claim that a sample is from a population with a

mean that is less than the speed limit of 65 mph. Use a 0.05 significance level. The

standard deviation of the sample is 4.0751, the mean of the sample is 60.6667 and

n=12.

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