Input values
%
Probability of A before observing B.
%
Probability of B when A is true.
%
Probability of B when A is false.
Result
Fill in all three percentages to see the result.
Applies Bayes' theorem to compute conditional probabilities, including positive and negative predictive values for diagnostic tests.
Probability of A before observing B.
Probability of B when A is true.
Probability of B when A is false.