alt Hacker NewsFlip it twice. Once to determine which side is up at second throw. Reverse to counter bias at start of second throw. Then flip again for final result.
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Aloisius • last Tuesday at 8:12 PM
This won't fix the bias. It would be biased towards the obverse of the starting side up of the first flip.
That only works for a fixed bias, it's gameable if the person tossing the coin controls the bias.