The binomial pdf is the probability of 𝑥 successes in 𝑛 independent trials, where 𝑝 is the probability of success in any given trial.
where Ix(a, b) is the regularized incomplete Beta function.
Support 𝑥 ∈ {0, ..., 𝑛}
Probability parameter, 𝑝: 0 ≤ 𝑝 ≤ 1
Trials parameter, 𝑛: 𝑛 > 0