This calculator finds Binomial probabilities associated with a provided probability of success (p) and number of failures (k) until the r successes occur.
Enter the required values, then click the Calculate button.
P(X = ):
P(X < ):
P(X ≤ ):
P(X > ):
P(X ≥ ):
About the Negative binomial distribution
The negative binomial distribution is a discrete probability distribution that models the number of failures in a sequence of Bernoulli trials before a specified number of non-random successes (r) occurs.
Suf is a senior advisor in data science with deep expertise in Natural Language Processing, Complex Networks, and Anomaly Detection. Formerly a postdoctoral research fellow, he applied advanced physics techniques to tackle real-world, data-heavy industry challenges. Before that, he was a particle physicist at the ATLAS Experiment of the Large Hadron Collider. Now, he’s focused on bringing more fun and curiosity to the world of science and research online.