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January 28, 2015

January 28, 2015

Posted by **chelsa** on Tuesday, May 31, 2011 at 11:35am.

deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more

than 110 minutes?

- math -
**PsyDAG**, Wednesday, June 1, 2011 at 2:53amZ = (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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