ProbabilityHard
Question
A & B having equal skill, are playing a game of best of 5 points. After A has won two points & B has won one point, the probability that A will win the game is :
Options
A.1/2
B.2/3
C.3/4
D.none
Solution
1 - P(BB)
1 - 1/2 × 1/2 = 1 - 1/4 = 3/4
1 - 1/2 × 1/2 = 1 - 1/4 = 3/4
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