conditional probability

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Summary

The conditional probability of an event A given another event B is the probability that A occurs if it's known that B occurs. Conditional probability is fundamental to probabilistic modeling, since it gives a way of accounting for observed evidence.

Context

This concept has the prerequisites:

Goals

  • Know the definition of conditional probability
  • Know how the joint probability of a configuration of random variables decomposes as a product of the conditional probabilities

See also

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