PROBABILITY JEE 2009

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in a set of 5 games in a tennis match between A and B , the probability of a player who has won the earlier game winning a game is 2/3. A wins the first game.The probability that A will win atleast three of the next four games is ?

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Kalyan Pilla ·2009-04-04 13:45:51

Probability that A wins all the games = (2/3)⁴

Prob. that A loses the fifth game = (1/3)(2/3)³

Prob. that A loses the second game = (1/3)²(2/3)²

Prob. that A loses the Third game = (1/3)²(2/3)²

Prob. that A loses the fourth game = (1/3)²(2/3)²

Total Probability of the given event = 36/81

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Kalyan Pilla ·2009-04-04 13:47:46

Plz Check if this is the solution............4/9[7][7]

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questions ·2009-04-04 13:54:36

thank you ! [1]

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questions ·2009-04-04 13:57:38

yeah its right answer !!

thank u ! .....got it

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° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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PROBABILITY JEE 2009

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