Probability help, i don't get it?

Suppose that 2 sports teams (team A and team B) are equally likely to win when they play each other (so the probability of either team winning is 0.5). Suppose they are playing a 5 game series (whoever wins 3 of the 5 games wins the series...the teams stop playing after one team wins 3 games). What is the... show more Suppose that 2 sports teams (team A and team B) are equally likely to win when they play each other (so the probability of either team winning is 0.5). Suppose they are playing a 5 game series (whoever wins 3 of the 5 games wins the series...the teams stop playing after one team wins 3 games). What is the probability all 5 games will be played (or asking it another way, what is the probability that in the first four games, each team wins exactly 2)? (please round your answer to 3 decimal places)
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