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The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 205205 milligrams per deciliter and a standard deviation of 37.937.9 milligrams per deciliter.
(a) What percent of the men have a total cholesterol level less than 235235 milligrams per deciliter of blood?
(b) If 245245 men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 250250 milligrams per deciliter of blood?
