SOLUTION: IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. An individual's IQ score is found to be 128. Find the z-score corresponding to this value

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Question 592811: IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. An individual's IQ score is found to be 128. Find the z-score corresponding to this value.
Answer by solver91311(24713) About Me  (Show Source):
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