Question
The total cholesterol levels of a sample of men aged35-44 are normally distributed with a mean of 208 milligrams per deciliter and a standard deviation
The total cholesterol levels of a sample of men aged35-44 are normally distributed with a mean of 208 milligrams per deciliter and a standard deviation of 37.8 milligrams per deciliter.
(a) What percent of the men have a total cholesterol level less than 226
226 milligrams per deciliter ofblood?
(b) If 241
241 men in the35-44 age group are randomlyselected, about how many would you expect to have a total cholesterol level greater than 261 milligrams per deciliter ofblood?
(a) The percent of the men that have a total cholesterol level less than 226 milligrams per deciliter of blood is ____________%.
(Round to two decimal places asneeded.)
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