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Bertrand's Paradox (with 3blue1brown) - Numberphile
Numberphile

Numberphile interviews Grant Sanderson of 3blue1brown about Bertrand's paradox, where different reasonable ways of picking a random chord of a circle give different probabilities.
Cited in threads on random sampling as a clear illustration of how reasonable-sounding random choices can give biased results.
3 Hacker News mentions · 2022–2024