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The driving distances (in miles) of a random sample of 28 workers who commute to work is collected.The sample mean is found to be 7.4

The driving distances (in miles) of a random sample of 28 workers who commute

to work is collected.The sample mean is found to be 7.4 miles.Assume that the

population of driving distances is normally distributed with a standard deviation of

2.4 miles.Construct a 98% confidence interval for the population mean.

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