Basic Probability Theory: Rules & Formulas


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question 1 of 3

Which of the following is the only acceptable answer for a question that begins with: 'What is the probability of...?'

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1. What are mutually exclusive events?

2. What are independent events?

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About This Quiz & Worksheet

This quiz and worksheet will allow you to assess your understanding of the basic rules of probability. For the quiz, you'll need to know what probability tells us, the three main rules of probability, and the types of events you'll encounter in determining probability.

Quiz & Worksheet Goals

Use these assessments to test yourself on:

  • How probability is defined
  • Independent and mutually exclusive events
  • Addition and Multiplication rules of probability

Skills Practiced

  • Critical thinking - apply relevant concepts to examine information about probability in a different light
  • Interpreting information - verify that you can read information regarding probability rules and interpret it correctly
  • Defining key concepts - ensure that you can accurately define main phrases, such as mutually exclusive events and independent events
  • Knowledge application - use your knowledge to answer questions about probability

Additional Learning

To review these basic concepts in probability, read through the accompanying lesson, Basic Probability Theory: Rules & Formulas. The lesson will allow you to work on the following objectives:

  • Describe probability
  • Understand when to apply the Complement rule of probability
  • Differentiate between the Multiplication rule and the Addition rule
  • Learn the Law of Total Probability and Baye's Theorem