I randomly pick four numbers from the first fifteen primes. What is the probability that their sum is odd?
Quantitative Researcher Interview Questions
2,685 quantitative researcher interview questions shared by candidates
If you toss a fair coin N times, what is probability that you will get an even number of heads? Follow up: now what if you have N - 1 fair coins, and the Nth coin is not fair, but lands on heads with probability p?
What do you know about Time Series Analysis?
If I break a stick of unit length into three random pieces, what’s the expected length of the largest piece?
General statistics/probability question and some questions about alpha research. The firm hasn't made money in two years, but expanding rapidly(there is something wrong there). Firm management predates American Revolution and seemed clueless how to hire. After the process was finished, I came out with a bad taste in my mouth . Stay away they won't be around for too long.
Randomly cut a line segment into three pieces.What is the probability that these three pieces can form a triangle?
9 white cubes arranged into 3x3 cube and outside surface painted green. Randomly select one cube and roll it. If side facing up is white, what is the probability that this was the middle cube?
There is a piece of gold under the ground. It costs $K to dig it out, while the gold price varies. How you price it?
How do you sample uniformly from a unit circle?
Given deck of cards A and deck of cards B, which deck would you rather choose from if you need to choose two cards of the same color on consecutive draws? Deck A is a normal 52 card deck, Deck B is a 26 card deck with 50% black and 50% red. What if we add deck C, which is a 26 card deck that comes from a random subset of deck A?
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