Bayes Theorem Calculator
Calculate posterior probability using Bayes' theorem. Enter prior probability P(A), likelihood P(B|A), and evidence P(B) to compute P(A|B).
How to Use Bayes Theorem Calculator
Enter the prior probability P(A), the likelihood P(B|A), and the marginal probability of evidence P(B). The calculator applies Bayes' theorem to compute the posterior probability P(A|B) with the full formula shown.
Step-by-Step Instructions
- Enter the prior probability P(A) between 0 and 1
- Enter the likelihood P(B|A) between 0 and 1
- Enter the evidence probability P(B) between 0 and 1
- Click Calculate to see the posterior probability P(A|B)
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