Suppose you are seated next to a stranger on an airplane, and you start discussing various topics such as where you were born (country or state), what your favorite movie of all time is, your spouse’s occupation, and so on. For simplicity, assume that the probability that your details match for any given topic is 1/50 and is independent from one topic to the next. If you discuss 10 topics, how surprising would it be to find that you match on at least one of them? Support your answer with a numerical assessment.

  • CreatedOctober 22, 2015
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