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Mathematics, 24.12.2019 20:31 rpegler4
An investigator wants to estimate caffeine consumption in high school students.
a)- how many students would be required to ensure that a 95% confidence interval estimate for the mean caffeine intake (measured in mg) is within 15 units of the true mean? assume that the standard deviation in caffeine intake is 68mg
b)-how many students would be required to estimate the proportion of students who consume coffee? suppose we want the estimate to be within 5% of the true proportion with 95% confidence. show work.
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An investigator wants to estimate caffeine consumption in high school students.
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