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

AP Stats:

UNC (BI)

, UNC‑3 (EU)

, VAR (BI)

, VAR‑5 (EU)

AP Stats:

VAR (BI)

, VAR‑5 (EU)

, VAR‑5.A (LO)

, VAR‑5.A.1 (EK)

, VAR‑5.A.2 (EK)

, VAR‑5.A.3 (EK)

, VAR‑5.C (LO)

, VAR‑5.C.1 (EK)

, VAR‑5.C.2 (EK)

, VAR‑5.C.3 (EK)

, VAR‑5.D (LO)

, VAR‑5.D.1 (EK)

Learn

Practice

Probability with discrete random variablesGet 3 of 4 questions to level up!

Mean (expected value) of a discrete random variableGet 3 of 4 questions to level up!

Standard deviation of a discrete random variableGet 3 of 4 questions to level up!

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

AP Stats:

VAR (BI)

, VAR‑6 (EU)

, VAR‑6.A (LO)

, VAR‑6.A.2 (EK)

, VAR‑6.A.3 (EK)

, VAR‑6.B (LO)

, VAR‑6.B.1 (EK)

, VAR‑6.B.2 (EK)

Practice

Probability in density curvesGet 3 of 4 questions to level up!

Probability in normal density curvesGet 3 of 4 questions to level up!

AP Stats:

VAR (BI)

, VAR‑5 (EU)

, VAR‑5.F (LO)

, VAR‑5.F.1 (EK)

Learn

Practice

Transforming random variablesGet 3 of 4 questions to level up!

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

AP Stats:

VAR (BI)

, VAR‑5 (EU)

, VAR‑5.E (LO)

, VAR‑5.E.1 (EK)

, VAR‑5.E.2 (EK)

, VAR‑5.E.3 (EK)

Learn

Practice

Combining random variablesGet 3 of 4 questions to level up!

Combining normal random variablesGet 3 of 4 questions to level up!

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

AP Stats:

UNC (BI)

, UNC‑3 (EU)

, UNC‑3.A (LO)

, UNC‑3.A.2 (EK)

, UNC‑3.B (LO)

, UNC‑3.B.1 (EK)

Learn

Practice

Identifying binomial variablesGet 3 of 4 questions to level up!

Binomial probability formulaGet 3 of 4 questions to level up!

Calculating binomial probabilityGet 3 of 4 questions to level up!

AP Stats:

UNC (BI)

, UNC‑3 (EU)

, UNC‑3.A (LO)

, UNC‑3.A.2 (EK)

, UNC‑3.B (LO)

, UNC‑3.B.1 (EK)

, UNC‑3.C (LO)

, UNC‑3.C.1 (EK)

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

AP Stats:

UNC (BI)

, UNC‑3 (EU)

, UNC‑3.E (LO)

, UNC‑3.E.1 (EK)

, UNC‑3.E.2 (EK)

, UNC‑3.F (LO)

, UNC‑3.F.1 (EK)

Learn

Practice

Binomial vs. geometric random variablesGet 3 of 4 questions to level up!

Geometric distributionsGet 3 of 4 questions to level up!

Geometric probabilityGet 3 of 4 questions to level up!

Cumulative geometric probabilityGet 3 of 4 questions to level up!

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

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!AP® is a registered trademark of the College Board, which has not reviewed this resource.