10648 - Chocolate Box

All about problems in Volume 106. If there is a thread about your problem, please use it. If not, create one with its number in the subject.

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Repon kumar Roy
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Re: 10648 - Chocolate Box

Post by Repon kumar Roy » Wed Dec 17, 2014 5:25 pm

Learn about the Stirling Number of the Second Kind
And the probability is S(n,m) * m! / (m ^n )

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