Homework Help: finite math

Posted by margie on Thursday, April 14, 2011 at 2:46pm.

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?

finite math - PsyDAG, Thursday, April 14, 2011 at 8:54pm
Z = (score-mean)/SD

Whichever Z score has the highest value.

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