The St

Louis Science center has a pretty neat physical demonstration of a probability distribution.

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  1. Oh that's wickedly clever.

  2. Pachinko, migrating to the West

  3. It's not a normal distribution – it's a binomial distribution

  4. This is the Galton box, which is used to demonstrate that binomial distribution is an approximation to the normal distribution (i.e. Bell curve).

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