probability mass function


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probability mass function

[‚präb·ə′bil·əd·ē ¦mas ‚fəŋk·shən]
(statistics)
A function which gives the relative frequency of each possible value of the random variable in an experiment involving a discrete set of outcomes. Abbreviated p.m.f.
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tau]] are mutually independent, with respective conditional probability mass function
Information about the capacity of reserves, needed for compensation of load forecast errors, may be given by probability mass function of forecast errors, for instance, in the form of normal density (see below), where [I.

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