Out of 20 games of chess played between two players A and B. A won 12, B won 4 and 4 ended in a tie. In a tournament of three games find the probability that B wins all three (1a) B wins at least one (ii) two games end in a tie

Out of 20 games of chess played between two players A and B, A won 12, B won 4 and 4 ended in a tie. In a tournament of three games find the probability that (i) B wins all three (ii) B wins at least one (iii) two games end in a tie.

A and B toss a coin alternately till one of them gets a head and wins the game. If A starts the game, find the probability that B will win the game.

A and B toss a coin alternately till one of them gets a head and wins the game. If A starts the game, find the probability that B will win the game.

In a set of five games in between two players A and B, the probability of a player winning a game is 2/3 who has won the earlier game. A wins the first game, then the probability that A will win at least three of the next four games is (A) 4/9 (B) (64)/(81) (C) (32)/(81) (D) none of these

In a set of five games in tennis between two players A and B, the probability of a player wimxing a game is 2/3 who has won the earlier game. A wins the first game. What is the probability that A will win at least three of the next four games?

If A and B are two equally strong table tennis players, the probability that A beats B in exactly three games out of 4 games is

Two players A and B toss a die alternately he who first throws a six wins the game if A begins what is the probability that he wins? What is the probability of B winning the game?

A and B toss coin alternately till one of them gets a head and wins the game. If A starts first, find the probability the B will win the game.

A and B toss coin alternately till one of them gets a head and wins the game.If A starts first,find the probability the B will win the game.