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<p><span style="font-size: medium;"><strong><span style="font-family: 'times new roman',times,serif;">Cholesterol</span></strong></span></p> <p><span style="font-family: 'times new roman',times,serif; font-size: medium;">The normal distribution of U.S. woman's total cholesterol levels in the age group of 20-34 has a mean of 186 milligrams per deciliter and a standard deviation of of 35.8 milligrams per deciliter.</span></p> <ol> <li><span style="font-family: 'times new roman',times,serif; font-size: medium;"><span style="font-family: 'times new roman',times,serif;">What percent of the women (to three significant figures) have a total cholesterol level less than 200 milligrams per deciliter of blood?<br />{1:NM:=65.2}%<br /><br /></span></span></li> <li><span style="font-family: 'times new roman',times,serif; font-size: medium;"><span style="font-family: 'times new roman',times,serif;">If 250 U.S. women in the 20-34 age group are randomly selected, about how many would you expect to have a total cholesteral level greater than 240 milligrams per deciliter of blood? (round your answer to the nearest woman)<br />{1:NM:=16} women</span></span></li> </ol>
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Tuesday, 5 November 2013, 10:15 AM
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