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The scores on a psychology exam were normally distributed with a mean of 66 and a standard deviation of 9. About what percentage of scores

The scores on a psychology exam were normally distributed with a mean of 66 and a standard deviation of 9. About what percentage of scores were less than 48? The percentage of scores that were less than 48 was 60.7%.
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The scores on a psychology exam were normally distributed with a mean of 66 and a standard deviation of 9 . About what percentage of scores were less than 48 ? The percentage of scores that were less than 48 was 6

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