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The birthday problem for boys and girls
Published online by Cambridge University Press: 01 August 2016
Extract
The famous birthday problem is well known to regular Gazette readers. For those readers not familiar with it, the problem is to find the size of the smallest group of people for which there is a probability greater than one-half of two members of the group sharing a birthday. The answer (23 people) is a result which the eminent probability specialist William Feller described as “astounding”.
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- Copyright © Mathematical Association 1987
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