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If weight in the general population is normally distributed with an average of 160 and a standard deviation of 20 pounds, what...Question
If weight in the general population is normally distributed with an average of 160 and a standard deviation of 20 pounds, what is the probability of selecting someone who weights 120 or less or 170 or more pounds?
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Damon
http://davidmlane.com/hyperstat/z_table.html