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单词 probability generating function
释义

Definition of probability generating function in English:

probability generating function

noun
Statistics

  • A function of a variable z which can be expressed as a power series in which the coefficient of z n is the probability that a given discrete random variable takes the integer value n.

Origin

1940s; earliest use found in Journal of the Royal Statistical Society.

Definition of probability generating function in US English:

probability generating function

noun
Statistics

  • A function of a variable z which can be expressed as a power series in which the coefficient of z n is the probability that a given discrete random variable takes the integer value n.

Origin

1940s; earliest use found in Journal of the Royal Statistical Society.
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更新时间：2025/6/19 15:30:40