Binomial Distribution Calculator
Calculate exact P(X = k), cumulative P(X ≤ k), expected mean, and variance for n binomial trials with success rate p.
Exact Probability P(X = k)
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26.68% chance
Cumulative P(X ≤ k):0.6496
Expected Value (μ = np):3.00
How to Use
- Enter the number of trials, probability of success and number of successes.
- Select Binomial Probability to view the exact probability p(x = k).