Envié una solicitud electrónica. El proceso duró 2 semanas. Acudí a una entrevista en Jane Street (New York, NY) en may 2013
Entrevista
There were two telephone interviews. I solved almost all the problems (3 each interviews), but it took more time than 30 minutes. Some of the problems I solved after corrections. Week later, I received email with rejection.
Preguntas de entrevista [1]
Pregunta 1
If X, Y and Z are three random variables such that X and Y have a correlation of 0.9, and Y and Z have correlation of 0.8, what are the minimum and maximum correlation that X and Z can have?
The process began with serveral online tests for maths and logic. They gave a personal interview to get to know the candidate better and evaluate fit for the company/role, then held a technical interview covering maths and logic problems.
Fun and filled with unexpected questions. The questions rely on fast thinking and fast calculations, and sometimes intuition because there is no sufficient time for me to work through the whole problem.
We started with a bit of small talk, followed by some probability questions. Ended with some basic algebra questions, Make sure to ask questions if you have any. Good experience, feels like the interviewer was trading.
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