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

# conditional probability

Save This Word!

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

noun

Statistics, Mathematics. the probability that an event will occur under the condition that another event occurs first: equal to the probability that both will occur divided by the probability that the first will occur.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

## Origin of conditional probability

First recorded in 1960–65

## Words nearby conditional probability

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

## How to use conditional probability in a sentence

## British Dictionary definitions for conditional probability

conditional probability

noun

statistics the probability of one event, A, occurring given that another, B, is already known to have occurred: written P (A|B) and equal to P (A and B)| P (B)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012