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December 20, 2014

December 20, 2014

Posted by **MM** on Friday, June 24, 2011 at 9:22pm.

Find the probability that a student, selected at random, earned a score lower than 63.

- statistics -
**PsyDAG**, Saturday, June 25, 2011 at 11:29amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

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