Make a Fair Coin from a Biased Coin (2018)

Re:Make a Fair Coin from a Biased Coin (2018) by monkeycantype on Tuesday March 15, 2022 @11:49PM (#30695116)

It depends how you flip it. If you spin a coin on the table, it seems like it should be fair, but small weight differences make a huge difference. If you try with an Australian 20c it's nowhere near 50:50, closer to 70:30 (heavy is the head that wears the crown apparently - from memory its the queen's head side that end up down and the platypus comes out on top.)

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Re:Make a Fair Coin from a Biased Coin (2018) by russfink on Wednesday March 16, 2022 @07:02AM (#30697353)

And what if you flip it over turf, e.g. at a large stadium during a huge televised sporting event?

The implications on all of it are pretty big.

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Re:Make a Fair Coin from a Biased Coin (2018) by IncRnd on Wednesday March 16, 2022 @11:53AM (#30700362)

Like in this CBS news report that caught a coin landing on its edge in a soccer game? https://www.youtube.com/watch?v=Sz3VwRLsfX0

There very well be refs who can take advantage of coin flips over time.

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