binomial distribution

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The frequency distribution of the probability of a specified number of successes in an arbitrary number of repeated independent Bernoulli trials.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun statistics The discrete probability distribution of the number of successes in a sequence of n independent yes/no experiments, each of which yields success with probability p.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a theoretical distribution of the number of successes in a finite set of independent trials with a constant probability of success