Monday
December 22, 2014

Homework Help: application statistic

Posted by Latoya on Monday, June 7, 2010 at 9:42am.

assume that a set of test score is normally distrubuted with a meanof 100 and a standard deviation of 20 find the quantities using the 68-95-99.7 rule to get:
the percentage of scores less than 100:
B) relative frequency of scores less than 120 c) percentage ofless than 140, D)percentage of less than 80, relative frequency of score less than 60,F) pertenage of scores greater than 120?

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