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You roll 10 12-sided dice. What is the probability of getting a sum of 68?

 Jul 13, 2022
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S=68; N=10; D=12;sumfor(k, 0, ((S - N)/D), ((-1)^k * (N nCr k) * (S - D*k - 1) nCr (N - 1))

 

2150363215 / 12^10==0.03472956645

 Jul 13, 2022

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