From: Matt Mahoney (matmahoney@yahoo.com)
Date: Mon Mar 17 2008 - 18:46:45 MDT
--- Stathis Papaioannou <stathisp@gmail.com> wrote:
> What about this one. You are copied 100 times and each of the copies
> is put inside a cubicle, numbered on the outside 1 to 100. The copy in
> cubicle 1 is shown heads and the copies in cubicles 2 to 100 are shown
> tails. If you have a 1/2 chance of seeing tails, does this suddenly
> rise to 99/100 when you open the door and see the number on your
> cubicle?
No, it is never 1/2. It is 99/100 before you are shown the coin or the
number. After seeing either, it changes to 0 or 1.
-- Matt Mahoney, matmahoney@yahoo.com
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