Statistics Dictionary

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Binomial Distribution

The probability distribution of a binomial random variable is called a binomial distribution.

Suppose we flip a coin two times and count the number of heads (successes). The binomial random variable is the number of heads, which can take on values of 0, 1, or 2. The binomial distribution is presented below.

Number of heads Probability
0 0.25
1 0.50
2 0.25

See also:   Statistics Tutorial: Binomial Probability | Binomial Calculator