Homework Help: statistics

Posted by Anonymous on Wednesday, October 31, 2012 at 10:05pm.

Let x be a continuous random variable that is normally distributed with a mean of 65 and a standard deviation of 15. Find the probability that x assumes a value less than 44.

statistics - PsyDAG, Thursday, November 1, 2012 at 12:36pm
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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