Wednesday, July 10, 2019

dice - Probability of the highest roll in two die pools being the same

Say we roll n identical, fair dice, each with d sides. (Every side comes up with the same probability.) On each die, the sides are numbered from $1$ to d with no repeating numbers, as you would expect. So it's an ordinary d sided die pool.



How would we calculate the odds of the highest rolled die value from a given dice pool equaling the highest rolled die value from a different dice pool?

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analysis - Injection, making bijection

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