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Home/Mathematics/Probability/Bayes' Theorem Calculator
Math CalculatorProbability

Bayes' Theorem Calculator

Calculate P(A|B) using Bayes' theorem: P(A|B) = P(B|A) * P(A) / P(B).

Updated 2025-01-153 min readCalzyra Math Team

Calculator

Enter your values below

CalculatorFree Tool

Probability of B given A.

Prior probability of A.

Total probability of B.

Formula & Methodology

How this calculator works

P(A|B) = P(B|A) · P(A) / P(B)

Bayes' theorem relates the conditional and marginal probabilities of random events.

Frequently Asked Questions

Common questions about this calculator

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