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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: What is the probability that random integers sum to a given value?
Date: Wed, 1 Jul 2009 13:52:01 +0000 (UTC)
Organization: FOGALE nanotech
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It seems very difficult to get the exact probability for non-replacement case. I would go with John : try to ignore the non-replacement assumption. The question is how much error we make by this approximation. In any case I'm with John, it's probably a better way than Monte Carlo simulation.

Bruno