Cholesterol
The normal distribution of U.S. woman's total cholesterol levels in the age group of 20-34 has a mean of 186 milligrams per deciliter and a standard deviation of of 35.8 milligrams per deciliter.
- What percent of the women (to three significant figures) have a total cholesterol level less than 200 milligrams per deciliter of blood?
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- If 250 U.S. women in the 20-34 age group are randomly selected, about how many would you expect to have a total cholesteral level greater than 240 milligrams per deciliter of blood? (round your answer to the nearest woman)
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