Summer Analyst Interview Questions

61,150 summer analyst interview questions shared by candidates

You have 50 black balls and 50 white balls and two buckets. How would you distribute the balls so that when a bucket is randomly chosen and a random ball is drawn out of that bucket, the probability of getting a black ball is at its highest?
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Summer Internship

Interviewed at Jane Street

4.4
Mar 4, 2015

You have 50 black balls and 50 white balls and two buckets. How would you distribute the balls so that when a bucket is randomly chosen and a random ball is drawn out of that bucket, the probability of getting a black ball is at its highest?

You are going to see a sports tournament between two teams. Best of 7. Can only have win/loss outcomes. Devise the optimum betting strategy such that at the end of the tournament you are either up 100 or down 100. Was initially confused about starting money but he told me that you can bet any amount.
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Summer Trading Analyst

Interviewed at Jane Street

4.4
Jan 7, 2013

You are going to see a sports tournament between two teams. Best of 7. Can only have win/loss outcomes. Devise the optimum betting strategy such that at the end of the tournament you are either up 100 or down 100. Was initially confused about starting money but he told me that you can bet any amount.

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