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
