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The actual number is 23: https://en.wikipedia.org/wiki/Birthday_problem https://en.wikipedia.org/wiki/Birthday_problem The square root approximation works well
by twiss 1y ago
The actual number is 23: https://en.wikipedia.org/wiki/Birthday_problem https://en.wikipedia.org/wiki/Birthday_problem
The square root approximation works well for large numbers, but leaves out some factors that are relevant for small numbers.