Binomial probability
Enter n, p and k.
Result
With p = 0.5 and n = 10, P(X = 5) ≈ 0.2461.
Example
Calculate the probability of k successes in n independent trials.
With p = 0.5 and n = 10, P(X = 5) ≈ 0.2461.
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Methodology
P(X = k) = C(n, k) × pᵏ × (1 − p)ⁿ⁻ᵏ.
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