1. Problems involving probability, calculus, and linear algebra. This could include tasks such as calculating cumulative distribution functions (CDF), probability density functions (PDF), evaluating integrals, and determining correlation matrices. 2. Personal Project Walkthrough: Explain a personal project at a high level, focusing on the key approaches used. Be prepared to dive into detailed questions about specific methodologies, challenges faced, and how they were overcome, as well as the technical tools and frameworks employed to bring the project to completion.