Main content

# Random variables

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!

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!

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!

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)

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 probabilityGet 3 of 4 questions to level up!

Cumulative geometric probabilityGet 3 of 4 questions to level up!