The American Heart Association reports that a total cholesterol score of 240 or higher represents high risk
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The American Heart Association reports that a total cholesterol score of 240 or higher represents high risk of heart disease. A study of postmenopausal women reported a mean of 220 and standard deviation of 40. If the total cholesterol scores have a normal distribution, what proportion of the women fall in the high-risk category? (Source: Data from Clin. Drug. Invest., 2000, vol. 20, pp. 207–214. The American Heart Association.)
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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