Bayesian Inference Calculator

Bayesian Inference Calculator: run bayesian inference calculations online. Formula, assumptions, and interpretation guide.

Key probability formulas

Simple probability: P(A) = favourable outcomes / total outcomes

AND (independent): P(A ∩ B) = P(A) × P(B)

OR: P(A ∪ B) = P(A) + P(B) − P(A ∩ B)

Conditional: P(A|B) = P(A ∩ B) / P(B)

Combinations: nCr = n! / (r! × (n−r)!)

Permutations: nPr = n! / (n−r)!