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Scores on the Wechsler intelligence quotient (IQ) test for adults have a normal probability distribution with a mean score of 100 and a standard deviation

Scores on the Wechsler intelligence quotient (IQ) test for adults have a normal probability distribution with a mean score of 100 and a standard deviation of 15 points. The US military has minimum enlistment standards at about an IQ score of 85.

Based on IQ scores only, what is the probability that a randomly selected adult does not meet US military enlistment standards?

Group of answer choices

68%

95%

32%

5%

16%

2.5%

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