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binomial distribution ques

Posted by Sinistral on Apr 24, 2013; 2:45am
URL: http://discussion-forum.276.s1.nabble.com/binomial-distribution-ques-tp7580160.html

Let X have the pmf p(x) = (1/3) * ((2/3) ^ x ), x= 0,1,2,3...
zero elsewhere.
find the conditional pmf of X given X>=3.
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