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
Answers: 2
Mathematics, 21.06.2019 18:30
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Answers: 2
Mathematics, 22.06.2019 00:00
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