The scores on a psychology exam were normally distributed with a mean of 56 and a standard deviation of 4. A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failing score? Approximately what percentage of the students failed? The cutoff for a failing score was 49 (Simplify your answer.) Approximately 2.28 percent of the students failed. (Round to one decimal place as needed.)

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A: Z = -0.67 Mu = 70 S = 3

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Q: What was the cutoff for a failing score? Approximately what percentage of the students failed?

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A:

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