probability of subset sum after rolling dice 4 times

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Published on 2010-05-19T16:25:44Z Indexed on 2010/05/19 16:50 UTC
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If we roll 4 dices (fair), what is the probability of "sum of subset" being 5. e.g. 1432,1121, 2344, 2354 have a subset sum of 5. Can you illustrate how to calculate this.

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