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Mathematics, 31.08.2019 05:30 vanessasantos2004vs
Guidelines for the jolly blue giant health insurance company say that the average hospitalization for a triple hernia operation should not exceed 30 hours. a diligent auditor studied records of 16 randomly chosen triple hernia operations at hackmore hospital, and found a mean hospital stay of 40 hours with a standard deviation of 20 hours. "aha! " she cried, "the average stay exceeds the guideline." the p-value for a right-tailed test of her hypothesis is:
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