probability-distribution

probability distribution

noun Statistics.
a distribution of all possible values of a random variable together with an indication of their probabilities.

Origin:
1935–40

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
probability distribution  
A function of a discrete random variable (that is, a variable whose values are obtained from a finite or countable set) yielding the probability that the variable will have a given value. Also called probability density.
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