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Mathematics, 23.07.2019 17:00 natalie2sheffield
Ahighway 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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Ahighway inspector needs an estimate of the mean weight of trucks crossing a bridge on the interstat...
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