probability distribution

noun

Statistics.

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

probability distribution

1. 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.

2. Also called probability density

Word History and Origins

Origin of probability distribution¹

First recorded in 1935–40