Quantitative Research Interview Questions

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If 75 customers fall randomly into three equal-sized databases, all partitions are equally likely. Bob and Ben are two randomly selected customers. What is the probability that Bob and Ben are in the same customer database?
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Quantitative Researcher

Interviewed at Citadel

4
Jan 3, 2025

If 75 customers fall randomly into three equal-sized databases, all partitions are equally likely. Bob and Ben are two randomly selected customers. What is the probability that Bob and Ben are in the same customer database?

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