Homework Help: statistics

Posted by Anonymous on Thursday, December 1, 2011 at 9:40pm.

A set of data is normally distributed with a mean of 98 and a standard deviation of 15. What is the probability that the value from the data is less than 88 ?

statistics - PsyDAG, Friday, December 2, 2011 at 2:28pm
Z = (score-mean)/SD

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

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