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 2 points with 99% confidence assuming s= 11.6 based on earlier studies? 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. H A 99% confidence level requires 224 subjects. (Round up to the nearest subject.) A 95% confidence level requires subjects. (Round up to the nearest subject.)

Q: what is 7n+2=4n+17

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A: Given information:

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Q: 5. Find (().

A:

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A:

Q: what is the answer of [8+(12-6)] times 5

A:

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A: We will find out the required value.

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A:

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A:

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A:

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