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In: Statistics and Probability

A doctor wants to estimate the mean HDL cholesterol of all​ 20- to​ 29-year-old females. How...

A doctor wants to estimate the mean HDL cholesterol of all​ 20- to​ 29-year-old females. How many subjects are needed to estimate the mean HDL cholesterol within

2

points with

99%

confidence assuming

s equals s=17.3

based on earlier​ studies? Suppose the doctor would be content with

95%

confidence. How does the decrease in confidence affect the sample size​ required?

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