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.

Main content

- Independent probabilityGet 3 of 4 questions to level up!
- Probabilities of compound eventsGet 3 of 4 questions to level up!
- Dependent probabilityGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 300 Mastery points

- The counting principleGet 3 of 4 questions to level up!
- PermutationsGet 3 of 4 questions to level up!

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

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

Level up on the above skills and collect up to 500 Mastery points

- Expected valueGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 300 Mastery points

- Expected value with calculated probabilitiesGet 3 of 4 questions to level up!
- Making decisions with expected valuesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 1300 Mastery points!