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: Unit 8: Probability and sampling

0

Possible mastery points

Lesson 2: Chance experiments

Learn

Intuitive sense of probabilities
(Opens a modal)

Practice

Comparing probabilitiesGet 5 of 7 questions to level up!

Lesson 3: What are probabilities?

Learn

Intro to theoretical probability
(Opens a modal)

Practice

Simple probabilityGet 5 of 7 questions to level up!

Lesson 4: Estimating probabilities through repeated experiments

Learn

Practice

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

Lesson 5: More estimating probabilities

Learn

Practice

Simple probabilityGet 5 of 7 questions to level up!

Quiz 1

Level up on the above skills and collect up to 480 Mastery points

Lesson 8: Keeping track of all possible outcomes

Learn

Practice

Sample spaces for compound eventsGet 3 of 4 questions to level up!

Lesson 9: Multi-step experiments

Learn

Practice

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

Quiz 2

Level up on the above skills and collect up to 160 Mastery points

Lesson 11: Comparing groups

Learn

Comparing distributions with dot plots (example problem)
(Opens a modal)

Practice

Comparing distributionsGet 3 of 4 questions to level up!

Lesson 14: Sampling in a fair way

Learn

Reasonable samples
(Opens a modal)

Practice

Valid claimsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 160 Mastery points

Lesson 16: Estimating population proportions

Learn

No videos or articles available in this lesson

Practice

Valid claimsGet 3 of 4 questions to level up!
Making inferences from random samplesGet 3 of 4 questions to level up!

Quiz 4

Level up on the above skills and collect up to 160 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1200 Mastery points!