Binomial Probability Calculator
Calculate exact and cumulative probabilities for binomial distributions
About Binomial Probability
The binomial probability formula calculates the probability of getting exactly k successes in n independent trials, where each trial has probability p of success.
Formula: P(X = k) = C(n,k) × p^k × (1-p)^(n-k)
Example: What is the probability of getting exactly 3 heads in 10 coin flips?
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.