Problem 1272. The almost-birthday problem.

This is a harder version of the birthday problem. Now, you will have to determine the probability that two or more people in a randomly assembled group of n people are having their birthdays within d days of each other. As usual, ignore the leap year and assume that every day is equally probable.

Solution Stats

80.0% Correct | 20.0% Incorrect
Last solution submitted on Jul 20, 2015
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