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Mathematics, 21.12.2019 21:31 moon3194

The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. if 85 students took the exam, and above a 60 is a passing grade, how many students failed the exam?
a. 13

b. 1

c. 2

d. 12

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Answers: 2

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