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Old 10-29-2007, 12:48 AM
DrVanNostrin DrVanNostrin is offline
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Default Re: Variance question

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Under a Normal distribution, you will be more than 10 standard deviations from the mean with probability 1.5 x 10^-23.

[/ QUOTE ]
Where did you get this?

=normdist(10,0,1,true) in Excel just gave me 1.000.. (a total of 30 0's). Is Excel unreliable for this many decimal places?
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