I applied online. The process took 1 week. I interviewed at Jane Street (London, England) in Jan 2020
Interview
Only got the first round, phone interview. Asked three questions and need to give and compute the final results. Need to have good mental math and mathematical skills, and knowledge of probability of course
Interview questions [1]
Question 1
Given one hundred cards with numbers 1-100 on each card and two baskets. Throw each of these cards with 50% of probability falling in the left basket and 50% to the right. What is the expected value of the minimum number in the left basket.