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The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 206 milligrams per deciliter and a
The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 206 milligrams per deciliter and a standard deviation of 38.7 milligrams per deciliter. (a) What percent of the men have a total cholesterol level less than 217 milligrams per deciliter of blood? (b) If 254 men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 257 milligrams per deciliter of blood? Click to view page 1 of the standard normal table. Click to view page 2 of the standard normal table. (a) The percent of the men that have a total cholesterol level less than 217 milligrams per deciliter of blood is (Round to two decimal places as needed.) (b) Of the 254 men selected, deciliter of blood. %. would be expected to have a total cholesterol level greater than 257 milligrams per (Round to the nearest integer as needed.)
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