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According to the AAA Foundation for Traffic Safety'sAmerican Driving Survey, U.S. drivers spend, onaverage, 51 minutes behind the wheel each day. A researcherbelieves this is
According to the AAA Foundation for Traffic Safety'sAmerican Driving Survey, U.S. drivers spend, onaverage, 51 minutes behind the wheel each day. A researcherbelieves this is an overstatement. Toinvestigate, a random sample of 75 drivers were selected. The study revealed that the mean timebehind the wheel for the sample of 75 drivers was 46.4 minutes with a standard deviation of 18.8minutes. Is there convincing evidence that the mean time behind the wheel for all U.S. drivers is lessthan 51 minutes? Use= 0.01
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