Cousins with the same Birthday

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understandinguncertainty.org was produced by the Winton programme for the public understanding of risk based in the Statistical Laboratory in the University of Cambridge. The aim was to help improve the way that uncertainty and risk are discussed in society, and show how probability and statistics can be both useful and entertaining.

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My husband has four cousins. The first child of one of the cousins was born on 30th March. Nine years later, my daughter was born on 30th March. One year later, another of his cousins had a child on 30th March. That's 2/8 cousins with the same birthday and they share it with their second cousin!
Total votes: 385
Date submitted:Thu, 25 Sep 2014 07:15:19 +0000Coincidence ID:7801