If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Main content

Unit: Probability

0

Possible mastery points

Basic theoretical probability

Learn

Practice

Simple probabilityGet 5 of 7 questions to level up!
Comparing probabilitiesGet 5 of 7 questions to level up!

Probability using sample spaces

Learn

Practice

Subsets of sample spacesGet 3 of 4 questions to level up!

Basic set operations

Learn

Practice

Basic set notationGet 5 of 7 questions to level up!

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Experimental probability

Learn

Practice

Experimental probabilityGet 5 of 7 questions to level up!
Making predictions with probabilityGet 5 of 7 questions to level up!

Randomness, probability, and simulation

Learn

Practice

Interpret results of simulationsGet 3 of 4 questions to level up!

Addition rule

Learn

Practice

Adding probabilitiesGet 3 of 4 questions to level up!
Two-way tables, Venn diagrams, and probabilityGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 400 Mastery points

Multiplication rule for independent events

Learn

Practice

Sample spaces for compound eventsGet 3 of 4 questions to level up!
Independent probabilityGet 3 of 4 questions to level up!
Probabilities of compound eventsGet 3 of 4 questions to level up!
Probability of "at least one" successGet 3 of 4 questions to level up!

Multiplication rule for dependent events

Learn

Practice

Dependent probabilityGet 3 of 4 questions to level up!

Conditional probability and independence

Learn

Practice

Calculate conditional probabilityGet 3 of 4 questions to level up!
Dependent and independent eventsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 560 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!

About this unit

Probability tells us how often some event will happen after many repeated trials. This topic covers theoretical, experimental, compound probability, permutations, combinations, and more!