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QUESTION
In a study of cholesterol levels in men it was noticed that the mean was 197 mDI with a standard deviation of 37.7 mDI.
In a study of cholesterol levels in men it was noticed that the mean was 197 mDI with a standard deviation of 37.7 mDI. The levels are normally distributed so what percentage of men are below 217 mDI and what percentage of men are between 197 mDI and 240 mDI?
