SOLUTION: IQ test scores are normally distributed with a mean of 103 and a stadard deviation of 20. An individual's IQ is found to be 125. Find the z-score corresponding to this value.

Question 11675: IQ test scores are normally distributed with a mean of 103 and a stadard deviation of 20. An individual's IQ is found to be 125. Find the z-score corresponding to this value.

Found 2 solutions by khwang, mirgani:
Answer by khwang(438) (Show Source): You can put this solution on YOUR website!
z =
=
Kenny
Answer by mirgani(1) (Show Source): You can put this solution on YOUR website!
z=(125-103)% 20= 1.1

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