Assume that players A, B and C have biased coins which have probabilities 0.8, 0.6 and 0.3 of landing heads respectively. Suppose the players flip their own coins. If the outcome of one player differs from the outcomes of the other two players, then the game ends and this player wins. Otherwise, they start over and flip their coins again. (a) Find the probability that the game will end at the first round. (b) Find the winning probability of the player A.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Assume that players A, B and C have biased coins which have probabilities 0.8, 0.6 and
0.3 of landing heads respectively. Suppose the players flip their own coins. If the
outcome of one player differs from the outcomes of the other two players, then the
game ends and this player wins. Otherwise, they start over and flip their coins again.
(a) Find the probability that the game will end at the first round.
(b) Find the winning probability of the player A.
Transcribed Image Text:Assume that players A, B and C have biased coins which have probabilities 0.8, 0.6 and 0.3 of landing heads respectively. Suppose the players flip their own coins. If the outcome of one player differs from the outcomes of the other two players, then the game ends and this player wins. Otherwise, they start over and flip their coins again. (a) Find the probability that the game will end at the first round. (b) Find the winning probability of the player A.
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now with the understanding that the answer to part (a) is 0.8. what's the correct answer to part (b)?

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for part a) don't you need to consider the scenario in which each player wins with tails and the other 2 players get heads

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