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In probability theory, the factorial moment is a mathematical quantity defined as the expectation or average of the falling factorial of a random variable. Factorial moments are useful for studying non-negative integer-valued random variables, and arise in the use of probability-generating functions to derive the moments of discrete random variables. Factorial moments serve as analytic tools in the mathematical field of combinatorics, which is the study of discrete mathematical structures.

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  • In probability theory, the factorial moment is a mathematical quantity defined as the expectation or average of the falling factorial of a random variable. Factorial moments are useful for studying non-negative integer-valued random variables, and arise in the use of probability-generating functions to derive the moments of discrete random variables. Factorial moments serve as analytic tools in the mathematical field of combinatorics, which is the study of discrete mathematical structures. (en)
  • En mathématiques et plus particulièrement en théorie des probabilités, le moment factoriel désigne l'espérance de la factorielle décroissante d'une variable aléatoire. Les moments factoriels sont utiles dans l'étude de variables aléatoires à valeurs dans l'ensemble des entiers naturels. Les moments factoriels sont aussi utilisés dans le domaine mathématique de la combinatoire, pour étudier des structures mathématiques discrètes. (fr)
  • Moment silni – dla danego rozkładu prawdopodobieństwa lub ustalonej zmiennej losowej funkcja postaci gdzie oznacza -tą silnię dolną zmiennej . Mówi się wtedy o -tym momencie silni. (pl)
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  • In probability theory, the factorial moment is a mathematical quantity defined as the expectation or average of the falling factorial of a random variable. Factorial moments are useful for studying non-negative integer-valued random variables, and arise in the use of probability-generating functions to derive the moments of discrete random variables. Factorial moments serve as analytic tools in the mathematical field of combinatorics, which is the study of discrete mathematical structures. (en)
  • En mathématiques et plus particulièrement en théorie des probabilités, le moment factoriel désigne l'espérance de la factorielle décroissante d'une variable aléatoire. Les moments factoriels sont utiles dans l'étude de variables aléatoires à valeurs dans l'ensemble des entiers naturels. Les moments factoriels sont aussi utilisés dans le domaine mathématique de la combinatoire, pour étudier des structures mathématiques discrètes. (fr)
  • Moment silni – dla danego rozkładu prawdopodobieństwa lub ustalonej zmiennej losowej funkcja postaci gdzie oznacza -tą silnię dolną zmiennej . Mówi się wtedy o -tym momencie silni. (pl)
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  • Factorial moment (en)
  • Moment factoriel (fr)
  • Moment silni (pl)
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