O processo levou 1 dia. Fui entrevistado pela Jane Street (New York, NY) em nov. de 2011
Entrevista
Standard quant phone interview. Thirty minutes and a few brainteasers.
Perguntas de entrevista [2]
Pergunta 1
Unfair coin with P(H) = 1/3 and P(T) = 2/3.
a) How to make an event with 50% probability?
b) Expected number of flips until a realization occurs?
c) Can you create a strategy to reduce the number of flips necessary?
d) Can you create a strategy to reduce the number of flips necessary for an unfair coin with any bias?
2) Alice and Bob play baseball for two periods. Can Alice have a better batting average than Bob in the first period but Bob have a better batting average overall?
A phone call, about 40 mins long, there was no formalities only vet technical questions. Around about 4 questions, with extensions to them if you completed them quickly. You were expected to talk through your thought process and methods for solving these questions.
Candidatei-me por meio de uma faculdade ou universidade. Fiz uma entrevista na empresa Jane Street.
Entrevista
Zoom Interview with only audio. We had to think aloud while solving the questions. Questions were from estimation, probability and games. Lots of follow up questions were asked. It was difficult.
Perguntas de entrevista [1]
Pergunta 1
Compare games related to throwing dice, simulate m-sided die using n-sided die.
O processo levou 2 dias. Fui entrevistado pela Jane Street (Londres, Inglaterra) em out. de 2021
Entrevista
Hard, first interview wasn't so bad with some relatively basic probability questions, second interview was a massive step up contained much more difficult questions that took a longer period of time to answer
