Homework Help: statistics

Posted by Chris on Tuesday, March 27, 2012 at 6:44pm.

Suppose that SAT scores among U.S. college students are normally distributed with a mean of 450 and a standard deviation of 150. What is the probability that a randomly selected individual from this population has an SAT score at or below 600?

statistics - PsyDAG, Friday, March 30, 2012 at 2:35am
Z = (score-mean)/SD

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

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