Mathematics, 23.02.2021 01:40, 67bryant

A highway inspector needs an estimate of the mean weight of trucks crossing a bridge on the interstate highway system. she selects a random sample of 49 trucks and finds a mean of 15.8 tons with a sample standard deviation of 3.85 tons. the 90 percent confidence interval for the population mean is:

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A highway inspector needs an estimate of the mean weight of trucks crossing a bridge on the intersta...