Mathematics, 22.04.2021 22:50 oscargonzalez4310
The U. S. Department of Transportation provides the number of miles that residents of the 75 largest metropolitan areas travel per day in a car. Suppose that for a random sample of 88 Buffalo residents the mean is 22.4 miles a day . The standard deviation of the population (Buffalo residents) is 8.4 miles a day. For an independent random sample of 69 Boston residents the mean is 19.7 miles a day. The standard deviation of the population (Boston residents) is 8.3 miles a day. At 99% confidence, what is the absolute value of the margin of error
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