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· One min read
Josh Kaplan
Note

Please visit my Digital Notes page which contain a more updated reproduction and expansion of this article.

This is a brief writeup of some of my notes on how to calculate probabilities.

Notation

P(AB)P(A \cap B) \rightarrow The probability of A AND B

P(AB)P(A \cup B) \rightarrow The probability of A OR B

P(AB)P(A | B) \rightarrow The conditional probability of A given B