So you need about 40,000 tosses to detect the difference between 50% and 51%. The authors of the paper never did an experiment with actual human tossers. I had two students do the experiment: you can see the answer by googling "40,000 coin tosses yield ambiguous evidence for dynamical bias".

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After a research career at U.C. Berkeley, now focussed on articulating critically what mathematical probability says about the real world.

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David Aldous

David Aldous

After a research career at U.C. Berkeley, now focussed on articulating critically what mathematical probability says about the real world.

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