Homework Help: statistics

Posted by tiffany on Sunday, June 10, 2012 at 9:00pm.

The weights of a group of adult males are normally distributed with a mean of 180lb and standard deviation of 8lb. Find the probability that a randomly chosen male from this group weighs more than 190lb.

statistics - PsyDAG, Monday, June 11, 2012 at 5:42pm
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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