Problem 5. In a tennis game, assume the outcomes of each point are mutually independent. Moreover, Alice wins any given point with probability p while Bob wins any given point with probability q = 1- p. Deuce is said to occur if, for the first six points of the game, each of Alice and Bob has won three points. In order for someone to win the game, either Alice or Bob must win the next two points; if neither does, the game returns to deuce. The game continues indefinitely until someone wins two points in a row after any given deuce. Given the game is at deuce, what is the probability the game will end after the next two points? b) Given the game is at deuce, what is the probability Alice eventually wins?

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Problem 5. In a tennis game, assume the outcomes of each point are mutually independent.
Moreover, Alice wins any given point with probability p while Bob wins any given point with
probability q = 1 - p. Deuce is said to occur if, for the first six points of the game, each of
Alice and Bob has won three points. In order for someone to win the game, either Alice or
Bob must win the next two points; if neither does, the game returns to deuce. The game
continues indefinitely until someone wins two points in a row after any given deuce.
Given the game is at deuce, what is the probability the game will end after the next
two points?
b) Given the game is at deuce, what is the probability Alice eventually wins?
Transcribed Image Text:Problem 5. In a tennis game, assume the outcomes of each point are mutually independent. Moreover, Alice wins any given point with probability p while Bob wins any given point with probability q = 1 - p. Deuce is said to occur if, for the first six points of the game, each of Alice and Bob has won three points. In order for someone to win the game, either Alice or Bob must win the next two points; if neither does, the game returns to deuce. The game continues indefinitely until someone wins two points in a row after any given deuce. Given the game is at deuce, what is the probability the game will end after the next two points? b) Given the game is at deuce, what is the probability Alice eventually wins?
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