Probability Distribution Calculator
Computes probability density (normal) or probability mass (binomial, Poisson), plus the cumulative distribution function, for three commonly used distributions in statistics coursework:
- Normal: continuous, defined by mean (μ) and standard deviation (σ).
- Binomial: discrete, the probability of exactly k successes in n independent trials with success probability p.
- Poisson: discrete, models the number of events in a fixed interval given an average rate λ.