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Players A and B take turns (player A starts first) in tossing coins which have proba- bilities pa and pp respectively of coming up H.
Players A and B take turns (player A starts first) in tossing coins which have proba- bilities pa and pp respectively of coming up H. Game ends on the first turn on which one of the players tosses H. Write down the sequence of outcomes in which B wins the game, and find their probabilities. What is the chance that player B wins? Do the same for outcomes in which A wins the game. What is the chance that player A wins? Find the probability distribution of the number of turns until the game ends when B wins, and the same for the number of turns until game ends when A wins. What is the expected number of tosses until the game ends
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