Mathematics, 15.06.2021 02:00 volocibel
Suppose the number of minutes spent exercising each day for adults in the U. S. are normally distributed with an unknown population mean and standard deviation. If a random sample of 20 adults is taken to estimate the mean length of daily exercise, what t-score should be used to find a 80% confidence interval estimate for the population mean?
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Suppose the number of minutes spent exercising each day for adults in the U. S. are normally distrib...
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