Cholesterol levels in men 18 to 24 years of age are normally distributed with a mean of

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Cholesterol levels in men 18 to 24 years of age are normally distributed with a mean of 178 and a standard deviation of 41.

a. What is the percentile for a 20-year-old man with a cholesterol level of 190?

b. What cholesterol level corresponds to the 90th percentile, the level at which treatment may be necessary?

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Statistical Reasoning For Everyday Life

ISBN: 9780321904645

4th International Edition

Authors: Jeffrey Bennett, William L. Briggs, Mario F. Triola

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