SOLUTION: A fair die is tossed 3times.calculate the probabilities of getting a)0 two's,b)1 two's, c)2 two's,d)3two's

SOLUTION: A fair die is tossed 3times.calculate the probabilities of getting a)0 two's,b)1 two's, c)2 two's,d)3two's

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Question 1031980: A fair die is tossed 3times.calculate the probabilities of getting a)0 two's,b)1 two's, c)2 two's,d)3two's
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
0 twos is (5/6)(5/6)(5/6)=125/216.
1 two is (1/6)(5/6)(5/6)*3, because there are 3 ways to do this=75/216
two twos is (1/6)(1/6)(5/6)*3=15/216
three twos is (1/6)^3=1/216
They add to 216/216, or 1.
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