Advanced Math
Probability Calculator
Clearly defined, finite probability problems: favourable ÷ total outcomes, multiplying probabilities of independent events, adding probabilities of mutually exclusive events, permutations, combinations, and the binomial probability of exactly k successes. Every formula is shown with your values substituted. It does not interpret written word problems.
InputsP(A), nCr, nPr
Step-by-step
waitingFill in the fields and press Solve. The full method will appear here, one numbered step at a time.
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Related formulas
Explained with worked examples in the Formula Library.