Posted by **Trev** on Sunday, November 11, 2012 at 6:38am.

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability we could select a sample of 50 adults and find the mean of this sample is between 95 and 105?

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**Anonymous**, Sunday, March 3, 2013 at 6:27am
suk a dik

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**Anonymous**, Thursday, December 25, 2014 at 12:38am
0.0091

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