Binomial Distribution Calculator
Independent trials with constant success probability; find the chance of exactly k successes.
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Independent trials with constant success probability; find the chance of exactly k successes.
Worked example
Inputs
- Number of trials n: 10
- Successes k: 3
- Success probability (0–1): 0.5
Results
- Probability of exactly k: 11.71875 %
Independent trials with constant success probability; find the chance of exactly k successes.
Reviewed:Common uses
Independent trials with constant success probability; find the chance of exactly k successes.
BEHIND THE NUMBERSFormula & assumptions
P(X=k)=C(n,k)pᵏ(1−p)ⁿ⁻ᵏ
Independent trials with constant success probability; find the chance of exactly k successes.