AP®StatisticsCollege BoardUnit 4: Probability, Random Variables & Probability Distributions

Unit 4: Probability, Random Variables & Probability Distributions (College Board AP® Statistics)

Get ready for your College Board AP® Statistics exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Probability

  1. Estimating Probability using Relative Frequency
  2. Probabilities of Single Events
  3. Introduction to Combined Events
  4. Addition Rule & Mutually Exclusive Events
  5. Conditional Probability
  6. Multiplication Rule & Independent Events
  7. Probabilities of Combined Events using Tree Diagrams
  8. Probabilities of Combined Events using the Rules

Discrete Random Variables

  1. Probability Distributions for Discrete Random Variables
  2. Cumulative Probability Distributions for Discrete Random Variables
  3. Mean & Standard Deviation of a Discrete Random Variable
  4. Linear Transformations of Random Variables
  5. Linear Combinations of Random Variables

Binomial & Geometric Distributions

  1. Introduction to Binomial Distributions
  2. Probabilities for Binomial Distributions
  3. Introduction to Geometric Distributions
  4. Probabilities for Geometric Distributions

Probability

  1. Multiple Choice Questions

Discrete Random Variables

  1. Multiple Choice Questions

Binomial & Geometric Distributions

  1. Multiple Choice Questions
College Board AP® Statistics Past Papers