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Binomial Distribution

Binomial Distribution

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In Probability,

  • 2 outcomes
  • 1 or more trials → $n$ trials
  • $X$ is the number of heads (successes).
  • $x \in {0,1,2,\cdots,~n}$

Then,

$$ P(X = x) = {n \choose x} p^x q^{n-x} $$