Anne and Billy are playing a simple dice game. Each rolls one dice and the one with higher number
wins. If the numbers are theame, they roll again. If Anne just won, what is the probability that she
rolled a '5'?
Answers
Given : Anne and Billy are playing a simple dice game.
Each rolls one dice and the one with higher number wins.
To Find : what is the probability that Anne rolled a '5'?
Solution:
Anne can win if
Anne Bille
2 1
3 1 , 2
4 1 , 2 , 3
5 1 , 2 , 3 , 4
6 1 , 2 , 3 , 4 , 5
There are total 15 ways anne can win
and there are 4 ways anne can win if she rolls 5
probability that she rolled a '5' = 4/15
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