| <img border="0" src="http://shivnath.c.googlepages.com/Google.JPG"/>Black swans come home to roost - Russia Beyond The Headlines Posted: 28 Mar 2011 09:16 AM PDT 
Russia Beyond The Headlines |
Black swans come home to roostRussia Beyond The HeadlinesThe intuitive answer is 183 (ie half of 366, which covers every day of the year plus one). The actual answer is only 23 people. The reason is (without getting into detail) that you have to calculate the chances of an identical birthday for each person ...and more » |
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