Two Sigma · Probability

Two Sigma Probability Interview Questions

Probability is the backbone of every quant interview: conditional probability, Bayes’ theorem, expected value and classic puzzles like Monty Hall and the two-children problem. Two Sigma is a systematic hedge fund whose interviews stress probability, statistics, programming and applied machine learning. Below are 4 probability problems of the kind asked at Two Sigma.

All Two Sigma questions, every probability question, or the whole bank.