Motto: Nerds rule the world. The other day I hopped on the elevator at my apartment/condo complex and something statistically unlikely happened. Two more gentlemen followed me in, both of which were going to my floor, neither of which was accompanied by the other. First off, I would estimate that I ride the elevator by myself 80% of the time, with 1 other person 10%, with 2 other people 5%, with more than 2 for the remaining 5%. So, already, we are sitting at a one-out-of-twenty circumstance. No big deal. I won’t get into the fact that all of us were guys (12.5% chance of that; or possibly 25% depending upon definitions). I was going to the 5th floor of a 16 floor building. The bottom 2 floors don’t have housing. The top floor only has one or two high-rollers on it, so I’ll count them out. Assuming an even distribution of residents within the building, the chance of the first passenger following me living on my floor is 1/13, or ~7.7%. The chance of the second passenger going to the
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