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 and combinatorics

Not feeling ready for this? Check out Get ready for Precalculus.

0

Possible mastery points

Basic probability

Learn

Practice

Simple probabilityGet 5 of 7 questions to level up!

Venn diagrams and the addition rule

Learn

Compound probability of independent events using diagrams

Learn

Practice

Probabilities of compound eventsGet 3 of 4 questions to level up!

Compound probability of independent events using the multiplication rule

Learn

Practice

Independent probabilityGet 3 of 4 questions to level up!

Dependent events

Learn

Practice

Dependent probabilityGet 3 of 4 questions to level up!

Quiz 1

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

Permutations

Learn

Practice

PermutationsGet 3 of 4 questions to level up!

Combinations

Learn

Practice

CombinationsGet 3 of 4 questions to level up!
Permutations & combinationsGet 5 of 7 questions to level up!

Probability using combinatorics

Learn

Practice

Probability with permutations and combinationsGet 3 of 4 questions to level up!

Quiz 2

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

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 800 Mastery points!

About this unit

Basics of probability and combinatorics