Dictionary.com
Thesaurus.com
Synonyms

probability distribution

American  

noun

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


probability distribution Scientific  
  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


Etymology

Origin of probability distribution

First recorded in 1935–40


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The team derived their quantum Bayes' rule by maximizing the fidelity between two objects that represent the forward and the reverse process, in analogy with a classical joint probability distribution.

From Science Daily ● Oct. 13, 2025

This is then used to generate a probability distribution function which consists of all the feasible and infeasible solutions that are within the constraints of the COP.

From Science Daily ● Mar. 25, 2024

Altogether, the words can be represented as a probability distribution.

From Scientific American ● Jun. 15, 2023

It comes from constructing what’s called a probability distribution, and requires some basic grade-school statistics.

From Washington Post ● Aug. 23, 2022

“It’s a quincunx for probability distribution analysis,” says Siraj.

From "Shine!" by J.J. and Chris Grabenstein

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training