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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Monty Hall Problem

Monty Hall Problem

Extended math version: http://youtu.be/ugbWqWCcxrg?t=2m32s

A version for Dummies: https://youtu.be/7u6kFlWZOWg

This video features Lisa Goldberg, an adjunct professor in the Department of Statistics at University of California, Berkeley.

Monty Hall Problem (best explanation)

Monty Hall Problem (best explanation)

How many panels on a soccer ball?

How many panels on a soccer ball?