Thursday
April 24, 2014

Homework Help: math

Posted by Pat on Sunday, October 9, 2011 at 5:08pm.

Urn I and urn II each have two red chips and two white chips. Two chips are drawn simultaneously form 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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