+Posterior probability is the updated probability of a hypothesis once new evidence has been considered. It refines our initial belief, the [Prior Probability](/wiki/prior_probability), by incorporating observed data, typically calculated using [Bayes' Theorem](/wiki/bayes'_theorem).
+## See also
+- [Likelihood](/wiki/likelihood)
+- [Probability](/wiki/probability)
+- [Statistics](/wiki/statistics)
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