Quantitative Concept
binomial distribution
bi·no·mi·al dis·tri·bu·tion
Subclass of:
Statistical Distributions
Definitions related to binomial distribution:
  • A family of discrete probability density functions, which models systems that meet the following requirements: 1) the number of trials (n) is fixed; 2) there are only two outcomes for each trial, success or failure; 3) the outcome of each trial is independent; and 4) all trials have the same probability (p) of success. Binomial distributions show the likelihood of the number of successful trials versus the total number of trials.
    NCI
    U.S. National Cancer Institute, 2021
  • The probability distribution associated with two mutually exclusive outcomes; used to model cumulative incidence rates and prevalence rates. The Bernoulli distribution is a special case of binomial distribution.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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