This shows grade level based on the word's complexity.

# probability theory

Save This Word!

This shows grade level based on the word's complexity.

noun Mathematics, Statistics.

the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events.Compare probability (def. 4).

QUIZ

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”

Question 1 of 7

The rainy weather could not ________ my elated spirits on my graduation day.

Meet Grammar CoachImprove Your Writing

## Origin of probability theory

First recorded in 1830–40

## Words nearby probability theory

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022