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Old 12-30-2006, 10:57 AM
jay_shark jay_shark is offline
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Join Date: Sep 2006
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Default Re: Interesting probability question

It turns out the probability AB is the null set is also 3^n/4^n .

ie 1 is in A but not in B , 1 is in B but not A , 1 is in neither A or B =3 equally likely choices ; finally 1 can be in A and B.
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