Posted by Christine on Monday, May 10, 2010 at 11:12pm.
Using the 689599.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. percentage of scores less than 100 b. relative frequency of scores less than 120 c. percentage of scores less than 140 d. percentage of scores less than 80 e. relative frequency of scores less than 60 f. percentage of scores greater than 120

statistics  Anonymous, Sunday, November 21, 2010 at 9:38pm
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