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20-02-2020
Mathematics

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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

Respuesta :

yahayadanjuma55 yahayadanjuma55

24-02-2020

Answer: A. 5

Step-by-step explanation:

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