providing accurate calculations for 17+ years!
Calculator: Cumulative Binomial Probability
Cumulative Binomial Probability Calculator
This calculator will compute cumulative probabilities for a binomial outcome, given the number of successes, the number of trials, and the probability of a successful outcome occurring. For the number of successes x, the calculator will return P(X<x), P(X≤x), P(X>x), and P(X≥x).
Please enter the necessary parameter values, and then click 'Calculate'.