sciencefun007 Posted March 7, 2004 Posted March 7, 2004 In order for the questions to make sense, transport yourself mentally to a few years ago when anyone would tell you his or her SSN when asked. 1. How many people would you have to approach before you had a 50-50 chance of finding another person whose SSN has the SAME LAST TWO DIGITS as your own? 2. How many people would you have to approach before you had a 50-50 chance of finding at least TWO people whose SSN have the SAME LAST TWO DIGITS?
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