Question: Can you explain how to get this answer from my practice questions? 20. Your sample is normally distributed with an average total cholesterol of 211

Can you explain how to get this answer from my practice questions?

20. Your sample is normally distributed with an average total cholesterol of 211 and a standard deviation of 7. 142 In what range would you expect the total cholesterol to be for 68% of your sample? 204 - 218

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