Probability distributions are used to describe the likelihood of certain outcomes in a given situation. These distributions have been given specific names to make them easier to identify and reference. Examples include the normal distribution, binomial distribution, and Poisson distribution.

CS 70 presents key ideas from discrete mathematics and probability theory with emphasis on their application in Electrical Engineering and Computer Sciences. It addresses a variety of topics such as logic, induction, modular arithmetic, and probability. Sophomore mathematical maturity and programming experience equivalent to an Advanced Placement Computer Science A exam are prerequisites.