Binomial Distribution Calculator (Probability & Stats)

Calculate binomial probability P(X=k), cumulative P(X≤k) and P(X≥k), plus mean and variance with an interactive PMF bar chart using standard formulas.

Calculate binomial probabilities

About This Calculator

Calculate binomial probability P(X=k), cumulative P(X≤k) and P(X≥k), mean and variance, plus an interactive PMF bar chart using standard formulas.

FAQs

How is this calculated?

Uses standard probability distribution formulas.

What inputs are needed?

Parameters depend on the distribution type.