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IQ Test Scores Are Normally Distributed with a Mean of 104

Question 143

Multiple Choice

IQ test scores are normally distributed with a mean of 104 and a standard deviation of 15. An individualʹs IQ score is found to be 111. Find the z-score corresponding to this value.


A) 0.47
B) -0.47
C) 2.14
D) -2.14

Correct Answer:

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