Main content

Probability

AP Stats: UNC (BI), UNC‑2 (EU), VAR (BI), VAR‑4 (EU)

Randomness, probability, and simulation

AP Stats: UNC (BI), UNC‑2 (EU), UNC‑2.A (LO), UNC‑2.A.1 (EK), UNC‑2.A.2 (EK), UNC‑2.A.3 (EK), UNC‑2.A.4 (EK), UNC‑2.A.5 (EK), UNC‑2.A.6 (EK), VAR (BI), VAR‑4 (EU), VAR‑4.A (LO), VAR‑4.A.1 (EK), VAR‑4.A.2 (EK), VAR‑4.A.3 (EK), VAR‑4.B (LO), VAR‑4.B.1 (EK)
Learn
Intro to theoretical probability
(Opens a modal)
Experimental versus theoretical probability simulation
(Opens a modal)
Theoretical and experimental probability: Coin flips and die rolls
(Opens a modal)
Random number list to run experiment
(Opens a modal)
Random numbers for experimental probability
(Opens a modal)
Statistical significance of experiment
(Opens a modal)
Practice
Interpreting results of simulationsGet 3 of 4 questions to level up!
0/100 points

Addition rule

AP Stats: VAR (BI), VAR‑4 (EU), VAR‑4.C (LO), VAR‑4.C.2 (EK), VAR‑4.E (LO), VAR‑4.E.4 (EK)
Learn
Probability with Venn diagrams
(Opens a modal)
Addition rule for probability
(Opens a modal)
Addition rule for probability (basic)
(Opens a modal)
Practice
Two-way tables, Venn diagrams, and probabilityGet 3 of 4 questions to level up!
0/100 points

Quiz 1

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

Multiplication rule

AP Stats: VAR (BI), VAR‑4 (EU), VAR‑4.A (LO), VAR‑4.A.4 (EK), VAR‑4.D (LO), VAR‑4.D.2 (EK), VAR‑4.E (LO), VAR‑4.E.1 (EK), VAR‑4.E.2 (EK)
Learn
Compound probability of independent events
(Opens a modal)
Independent events example: test taking
(Opens a modal)
Free-throw probability
(Opens a modal)
Three-pointer vs free-throw probability
(Opens a modal)
Dependent probability introduction
(Opens a modal)
The general multiplication rule
(Opens a modal)
Coin flipping probability
(Opens a modal)
Probabilities involving "at least one" success
(Opens a modal)
Practice
Independent probabilityGet 3 of 4 questions to level up!
0/100 points
Probabilities of compound eventsGet 3 of 4 questions to level up!
0/100 points
Dependent probabilityGet 3 of 4 questions to level up!
0/100 points
Probability of "at least one" successGet 3 of 4 questions to level up!
0/100 points

Conditional probability

AP Stats: VAR (BI), VAR‑4 (EU), VAR‑4.D (LO), VAR‑4.D.1 (EK), VAR‑4.E (LO), VAR‑4.E.1 (EK), VAR‑4.E.2 (EK)
Learn
Conditional probability and independence
(Opens a modal)
Conditional probability with Bayes' Theorem
(Opens a modal)
Conditional probability using two-way tables
(Opens a modal)
Conditional probability and independence
(Opens a modal)
Conditional probability tree diagram example
(Opens a modal)
Tree diagrams and conditional probability
(Opens a modal)
Practice
Calculating conditional probabilityGet 3 of 4 questions to level up!
0/100 points

Quiz 2

Level up on the above skills and collect up to 500 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 700 Mastery points!

About this unit

This unit on probability covers how to use simulations to calculate experimental probabilities and a variety of other methods (the addition rule, the multiplication rule, conditional probability) for calculating probability. Later, we'll use our understanding of probability to answer statistical questions.
AP® is a registered trademark of the College Board, which has not reviewed this resource.