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Mathematics, 21.02.2020 00:23 tashai3138

IQs among undergraduates at Mountain Tech are approximately normally distributed. The mean undergraduate IQ is 110. About 95% of undergraduates have IQs between 100 and 120. The standard deviation of these IQs is about:.
A. 5
B. 10
C. 15
D. 20
E. 25

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