Baseball's World Series matches $2$ teams against each other in a best-of-seven series. The first team to win four gam

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by Gmat_mission » Sun Sep 20, 2020 9:35 am

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Baseball's World Series matches $2$ teams against each other in a best-of-seven series. The first team to win four games wins the series and no subsequent games are played. If you have no special information about either of the teams, what is the probability that the World Series will consist of fewer than $7$ games?

(A) $12.5\%$
(B) $25\%$
(C) $31.25\%$
(D) $68.75\%$
(E) $75\%$

Answer: D

Source: Manhattan GMAT

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Source: Beat The GMAT — Problem Solving | Sun Sep 20, 2020 9:35 am

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