Fisher's Exact Test and the Hypergeometric Distribution

Fisher's exact test to determine if something is enriched or not. In this case, I wonder if I got an over abundance of blue m&m's.

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Correction:
4:15 I say getting 7 oranges and 1 blue is just as rare a getting 7 blues and 1 red. This is incorrect, since there are more blues and oranges in general than there are blues and red. However, the idea that we add up rarer events is correct.

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