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Questions › DSE › DSE 2011 › Q35
2 marksStatistics › Probability and Bayes' theorem › Repeated trials: binomial and geometric probabilitiesHardabout 4 min

DSE 2011 Question 35: Probability and Bayes' theorem

Two players, AAA and BBB, play a best of seven table tennis match (the first to win 4 games wins the match, at most 7 games). The two players are equally likely to win any game. The probability that the match will end in 6 games is

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Two players, A and B, play a best of seven table tennis match (the first to win 4 games wins the match, at most 7 games). The two players are equally likely to win any game. The probability that the match will end in 6 games is (A) less than the probability that it will end in 7 games. (B) equal to the probability that it will end in 7 games. (C) greater than the probability that it will end in 7 games. (D) None of (a), (b) or (c) is true.

Probability and Bayes' theorem has come up 190 times in 7 exams since 2004.

What this question tests

This question is on Repeated trials: binomial and geometric probabilities, part of Probability and Bayes' theorem in Statistics.

Probabilities from independent repeated experiments.

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Question from the DSE 2011 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.