Calculating conditional probability (video) | Khan Academy
https://www.khanacademy.org/math/statistics-probability/probability-library/conditional-probability-independence/v/calculating-conditional-probability
WEBCalculating conditional probability. Conditional probabilities are written like P (A|B), which can be read to mean, "the probability that A happens GIVEN b has happened." If we know probabilities like P (A), P (B), and P (A|B), we can solve for other probabilties like P (B|A). Created by Sal Khan.
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