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August 29, 2015

Homework Help: statistics

Posted by Robbie on Friday, November 9, 2012 at 7:35pm.

A normal distribution has a mean of 36 and standard deviation of 4. What proportion of the
distribution consisted of scores between x=34 and x=38?
a, 0.6915
b, 2(0.3085)=0.6170
c, 0.1915
d, 2(0.1915)=0.3930

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