Jane Street Quantitative Researcher Summer Intern Interview Questions | Glassdoor

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Jane Street Quantitative Researcher Summer Intern Interview Questions

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Quantitative Researcher Summer Intern Interview

Anonymous Interview Candidate in New York, NY
No Offer
Positive Experience
Average Interview

Application

I applied online. The process took 2 weeks. I interviewed at Jane Street (New York, NY) in February 2011.

Interview

submit the application online and then get the phone interview

Interview Questions

  • 1) Tow coins, P(head)=1/3, P(tail)=2/3, design a way to get the effect of fair coin   5 Answers
  • 2) A. 10 ropes, each one has one red end and one blue end. Each time, take out a red and a blue end, make them together. Repeat 10 times. The expectation of the number of loops.

    B. 10 ropes, no color. All the other remains the same.   7 Answers
  • 3) Poker. 26 red, 26 black. Take one every time, you can choose to guess whether it’s red. You have only one chance. If you are right, you get 1 dollar. What’s the strategy? And what’s the expected earn?   12 Answers
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