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?If you roll two normal 6-sided dice, the probability of rolling a total of 7 is 1/6.

What would the probability of rolling a total of 7 be if both dice were 7-sided instead?

How about a 8-sided dice? 9-sided? 10-sided?

 [Ref: ZBMA] © Kevin Stone

Hint: How many possible ways are there to make 7?

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