Question: D Homework: 9.2 HW - Estimating a Question 12, 9.2.39 HW Score: 59.71%, 59.71 of 100 points ROS E Population Mean Part 2 of 3

D Homework: 9.2 HW - Estimating a Question 12, 9.2.39 HW Score: 59.71%, 59.71 of 100 points ROS E Population Mean Part 2 of 3 Points: 0 of 6 Save Ava 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 assumin s = 11.9 based on earlier studies? Suppose the doctor would be content with 90% confidence. How does the decrease in confidence affect the sample size required? Click the icon to view a partial table of critical values.

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