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Glossary Math & Statistics

Binomial distribution

The binomial distribution gives the probability of a number of successes in a fixed number of independent yes/no trials with the same success chance.

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In more detail

P(X = k) = C(n, k) × p^k × (1 − p)^(n − k). Exactly 3 heads in 10 fair tosses has probability 120 / 1024 = 0.1172.

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See also

  • Glossary Combination
    A combination is a selection of items where order does not matter; `C(n, k) = n! / (k! (n − k)!)` counts the ways to choose k from n.
  • Glossary Probability
    Probability is a number from 0 (impossible) to 1 (certain) that measures how likely an event is.
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