Question 1109302
 Four fair six-sided dice are rolled. What is the probability that at least three of the four dice show the same value? 
3 are the same:: 6(1/6)^3*(5/6)
4 are the same:: 6(1/6)^4
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Ans:: 6[(1/6)^3(5/6)+(1/6)^4] = 0.02777..
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Cheers,
Stan H.
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