Binomial Probability Calculator
Number of Trials (n)
Please enter a positive integer.
Number of Successes (k)
Please enter a non-negative integer.
Success Probability (p)
Please enter a number between 0 and 1.
Calculate Probability
Result:
Formula:
P(X = k) = C(n,k) * p^k * (1-p)^(n-k)
Step-by-step: