In: Statistics and Probability
The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of
223
milligrams per deciliter and a standard deviation of
37.2
milligrams per deciliter.(a) What percent of the men have a total cholesterol level less than
228
milligrams per deciliter of blood?(b) If
251
men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 259
milligrams per deciliter of blood?(a) The percent of the men that have a total cholesterol level less than
228
milligrams per deciliter of blood is
nothing%.
(Round to two decimal places as needed.)