in reply to Re^3: Spooky math problem

in thread Spooky math problem

It is possible to do it by choosing a number before you see the one in the envelope.

But it is also possible to do it by choosing a number through a mechanical procedure (eg a series of coin flips), in which case it doesn't matter whether you see the number in the envelope first.

However you're exactly right that the *method* of choosing the random number cannot depend on the number that you see.

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