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February 28, 2015

Homework Help: math

Posted by shirley on Wednesday, April 13, 2011 at 9:45am.

kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores were normally distributed with a mean of 500 points and a standard devaition of 30 points.

Calculate kris's z-score.
Calculate kerry's z-score.
Who scored higher relative to the norms?

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