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October 23, 2016
Posted by **denise** on Thursday, June 23, 2011 at 11:52pm.

- math -
**drwls**, Friday, June 24, 2011 at 7:06amThat is within 5 standard deviations or "sigmas" of the mean.

99.9997% are in that range, according to normal distribution tables. I am not familiar with your theorem