SOLUTION: a fair eight-sided dice with faces numbered 1 through is rolled four times. What is the probability that exactly one 3 is rolled, and that the 3 is rolled on the third roll?

Question 546226: a fair eight-sided dice with faces numbered 1 through is rolled four times. What is the probability that exactly one 3 is rolled, and that the 3 is rolled on the third roll?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a fair eight-sided dice with faces numbered 1 through is rolled four times. What is the probability that exactly one 3 is rolled, and that the 3 is rolled on the third roll?
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success means (no three),(no three),(three)
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P(1st 3 on 3rd) = (5/6)(5/6)(1/6) = 25/216
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Cheers,
Stan H.
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