Birthday coincidence

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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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I have 3 brothers, an elder one who is 67, a younger one who is 60 and an even younger one who is 55. In fact the 55 year old is my half brother as my father died and my mother re-married, so his father was my step-father. The birthdays of my elder and youngest brother, the 67 and 55 year old, is 25 January. However, this is also the birthday of the wife of my younger brother who is 60. I have no difficulty in remembering to buy a birthday cards!
Total votes: 330
Date submitted:Sat, 14 Jan 2012 10:06:51 +0000Coincidence ID:3786