D. E. Shaw & Co. - Investment Firm


Interview Question

Quantitative Analyst Interview

Consider an infinite set of pairwise independent random

  variables which are uniformly distributed between 0 and 1. What's the expected number that you need to add to get a number that exceeds 1.

Interview Answer

1 Answer


The answer is very pretty: it's e.

Interview Candidate on Nov 7, 2013

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