18.675: Theory of Probability

Table of contents

  1. Course Info
  2. Realistic Prerequisites
  3. Subject Matter
  4. Course Staff
  5. Lectures
  6. Problem Sets
  7. Exams
  8. Resources
  9. Grading

Course Info

Class Size 20
Hours/Week 12.1 (12 responses)
Instructors Yair Shenfeld
Overall Rating 5.8/7.0

Realistic Prerequisites

  • Some measure theory was realistic prerequisite.

Subject Matter

  • Very theoretical, with a deep study of probability with applications near the end.

Course Staff

  • Some students found the professor difficult to approach.


  • Lectures were good, though psets and lecture notes were more useful.

Problem Sets

  • There were bi-weekly psets.
  • Students found the problems difficult and spent about 15-20 hours on average across two weeks.


  • Exams were longer take-home psets that were closed note, with no collaboration.
  • Students found the exams quite difficult.


  • Lecture notes were readily available and some textbooks were suggested.
  • The Durrett textbook was mentioned as particularly useful.


  • No distribution was grade communicated, but students found the psets grading to be fair.