The total cholesterol levels of a sample of men aged​ 35-44 arenormally 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 atotal cholesterol level less than
228
milligrams per deciliter of​ blood?​(b) If
251
men in the​ 35-44 age group are randomly​ selected, about howmany would you expect to have a total cholesterol level greaterthan 259
milligrams per deciliter of​ blood?​(a) The percent of the menthat have a total cholesterol level less than
228
milligrams per deciliter of blood is
nothing​%.
​(Round to two decimal places as​ needed.)
