Question: solve this question E Homework: UNIT 6 - Section 9.2 Question 7, 9.2.41 HW Score: 42.01%, 3.36 of 8 Homework points Part 1 of 3

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E Homework: UNIT 6 - Section 9.2 Question 7, 9.2.41 HW Score: 42.01%, 3.36 of 8 Homework points Part 1 of 3 O Points: 0 of 1 Save 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 = 19.3 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. A 99% confidence level requires 19.3 subjects, (Round up to the nearest subject.)

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