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in Statistics and probability by (52.5k points)

A player X has a biased coin whose probability of showing heads is p and a player Y has a fair coin. They start playing a game with their own coins and play alternately. The player who throws a head first is a winner. If X starts the game, and the probability of winning the game by both the players is equal, then the value of p is 

(A) 1/5 

(B) 1/3 

(C) 2/5 

(D) 1/4

1 Answer

+1 vote
by (54.8k points)
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Best answer

Answer is (B) 1/3

Probability that X wins the game is

Probability that Y wins the game is

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