Mathematics, 29.11.2019 07:31, zitterkoph

Asupervisor records the repair cost for 25 randomly selected dryers. a sample mean of $93.36 and standard deviation of $19.95 are subsequently computed. determine the 98% confidence interval for the mean repair cost for the dryers. assume the population is approximately normal.

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Asupervisor records the repair cost for 25 randomly selected dryers. a sample mean of $93.36 and sta...