Wednesday
November 26, 2014

Homework Help: statistics

Posted by angela on Monday, May 28, 2012 at 2:19am.

Urn I and Urn II each have 2 red chips and 2 white chips. Two chips are drawn simultaneously from each urn. Let X1 be the number of red chips in the first sample and X2 the number of red chips in the second sample. Find the pdf of X1 + X2

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