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Mathematics, 06.11.2020 14:00 ansley81

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 3 points with 99% confidence assuming s=12.5 based on earlier studies? Suppose the doctor would be content with 90% confidence. How does the decrease in confidence affect the sample size required?

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