Re: stats

Posted by anon_econ on Jan 13, 2012; 10:04am
URL: http://discussion-forum.276.s1.nabble.com/stats-tp7180044p7183534.html

Let xi be the number of marbles in the ith compartment. Then u have to find out the number of positive integer solutions of x1+x2+x3+x4+x5+x6=12. To know how to find this, see this: http://www.askiitians.com/iit-jee-algebra/permutations-and-combinations/derangements-and-multinomial-theorem.aspx