SOLUTION: Three fair dice are rolled. Given that none of them turned up a "1" compute the probability that none of them turned up a "3".

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Question 610955: Three fair dice are rolled. Given that none of them turned up a "1" compute the probability that none of them turned up a "3".
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Every die roll turned out to be a 2,3,4,5, or 6 with equal probability. Therefore the probability of obtaining a 3 given that a 1 wasn't rolled is 1/5. (1/5)^3 = 1/125.