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Mathematics, 21.12.2019 06:31 sainijasdeep27

Adoctor wants to estimate the mean hdl cholesterol of all 20- to 29-year-old females. the number of subjects needed to estimate the mean hdl cholesterol within 3 points with 99% confidence is 160 subjects. suppose the doctor decides that he could be content with only 90% confidence. assuming s=14.7 based on earlier studies, how would this decrease in confidence affect the sample size required?

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Adoctor wants to estimate the mean hdl cholesterol of all 20- to 29-year-old females. the number of...
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