Anonymous

Anonymous asked:

Three fair, six-sided die are tossed simultaneously, and the three numbers rolled are summed. What is the probability that a sum of 17 or 18 is rolled?

There are only 4 ways a 17 or 18 could be rolled:

566
656
665
666

There are a total of 6^3 ways 3 simultaneously tossed dice can land.

So the probability you seek is 4/(6^3) = 1/54 

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