Probability Study Tips - dummies

By Deborah J. Rumsey

Part of Probability For Dummies Cheat Sheet

If you’re going to take a probability exam, you can better your chances of acing the test by studying the following topics. They have a high probability of being on the exam.

  • The relationship between mutually exclusive and independent events

  • Identifying when a probability is a conditional probability in a word problem

  • Probability concepts that go against your intuition

  • Marginal, conditional, and joint probabilities for a two-way table

  • The Central Limit Theorem:


  • When to use a permutation and when to use a combination

  • Finding E(X) from scratch and interpreting it

  • Sampling with replacement versus without replacement

  • The Law of Total Probability and Bayes’ Theorem

  • When the Poisson and exponential are needed in the same problem