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July 3, 2015

Homework Help: Statistics

Posted by Math help on Monday, February 25, 2008 at 8:17am.

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the
68-95-99.7 Rule, Determine:

a.In what interval you would expect the middle 95% of the IQ scores to be found.
b.What percent of people would have an IQ score above 116.
c.What percent of people would have an IQ score 68 and 84.
d.What percent of people would have an IQ score of at least 132.
e.What percent of people would have an IQ score of no more than 68.
f.What percent of people would have an IQ score of 100 or above.

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