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Quant Interview Question

Trading Interview

A question that is Jane Street-esque would be the following: Suppose there is a game. You flip a coin again and again until you see 2 consecutive heads. What is the expected number of coin flips? Follow up: What is the expected number of tails?

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Disclaimer: We are not affiliated with the company referenced in any way. This question is sourced from interviewees and public sources and may not be accurate or reflective of the company's actual interview process.