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

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A Doctor Wants To Estimate The Mean Hdl Cholesterol Of All 20 To 29 Year Old Females How Many Subjects Are Needed To E 1 (14.66 KiB) Viewed 75 times

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 s10 5 based on earlier shades Suppose the doctor would be content with 95% confidence How does the decrease in confidence affect the sample size required? Click the icon to view a partial table of critical values subjects. (Round up to the nearest subject) subjects. (Round up to the nearest subject) A 99% confidence level requires A 95% confidence level requires How does the decrease in confidence affect the sample size required? OA The sample size is the same for all levels of confidence. OB Decreasing the confidence level decreases the sample size needed. OC. Decreasing the confidence level increases the sample size needed.