Quantitative Research Associate Interview Questions

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You are on "0" index of a X line at the beginning. There is a black hole on 2N and another black hole on -N. At every position there's equal probability of going left or right. When you arrive one of the black hole, the process is end. What's the probability that you end up at the black hole at index 2N?
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Quantitative Researcher

Interviewed at WorldQuant

4.1
May 11, 2023

You are on "0" index of a X line at the beginning. There is a black hole on 2N and another black hole on -N. At every position there's equal probability of going left or right. When you arrive one of the black hole, the process is end. What's the probability that you end up at the black hole at index 2N?

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