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Because of healthier eating habits, the average cholesterol levels for men decrease from 222 in 1959 to 197 and 2008.if the standard deviation of cholesterol

Because of healthier eating habits, the average cholesterol levels for men decrease from 222 in 1959 to 197 and 2008.if the standard deviation of cholesterol levels in men in 2008 was o=3, what percent of men had cholesterol levels below 200? A.95% B.84% C.34% D.68%

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