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Mathematics, 01.02.2021 04:20 evazquez

Question 2 Multiple Choice Worth 4 points) (04.06 MC)
IQ scores for adults age 20 to 34 years are normally distributed according to N[120, 20). Approximately what percent of people in this group have scores below
120?
a. 34%
b. 47.5%
c. 68%
d. 50%
e.95%

please help!! thanks so much.

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Question 2 Multiple Choice Worth 4 points) (04.06 MC)
IQ scores for adults age 20 to 34 years...

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