Trading Interview Questions

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start a random walk on a vertex of a cube, with equal probability going along the three edges that you can see (to another vertex). what is the expected number of steps to reach the opposite vertex that you start with?
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Summer Intern Trading

Interviewed at Jane Street

4.4
Mar 19, 2013

start a random walk on a vertex of a cube, with equal probability going along the three edges that you can see (to another vertex). what is the expected number of steps to reach the opposite vertex that you start with?

Nothing was difficult. They asked really basic probability questions. The one that was the most difficult: If the probability of seeing a shooting star over the course of an hour is .64, what is the probability of seeing a shooting star over the course of a half hour?
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Trading Intern

Interviewed at Two Sigma

3.9
Dec 14, 2012

Nothing was difficult. They asked really basic probability questions. The one that was the most difficult: If the probability of seeing a shooting star over the course of an hour is .64, what is the probability of seeing a shooting star over the course of a half hour?

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