Probability distribution sums up outcomes.

Quantifies likelihood of variable outcomes.

(mathematics, physics) A function which specifies the average density of atoms, molecules etc in three dimensions from a given point.

In statistics, an empirical distribution function (commonly also called an empirical cumulative distribution function, eCDF) is the distribution function associated with the empirical measure of a sample.

The bidirectional reflectance distribution function, symbol , is a function of four real variables that defines how light from a source is reflected off an opaque surface.