Question 1

What is the expected number of rolls needed to see each side of a fair six-sided die at least once?

Accepted Answer

This is a real Citadel Securities interview question for Quant Trader Intern roles. Get the full solution and detailed walkthrough by signing up for Quant Blueprint's interview preparation program.

Question 2

If you find a coin on the street, what is the probability that it is a biased (unfair) coin?

Accepted Answer

This is a real Citadel Securities interview question for Quant Trader Intern roles. Get the full solution and detailed walkthrough by signing up for Quant Blueprint's interview preparation program.

Question 3

What is the expected value of a fair 6-sided die?

Accepted Answer

This is a real Citadel Securities interview question for Quantitative Trader Intern roles. Get the full solution and detailed walkthrough by signing up for Quant Blueprint's interview preparation program.

Citadel Securities Interview Questions

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