500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Medium
Category: Conditional Probability
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: probability, variance, coin-flips, expected-value, mental-math
You are trading a prediction market on the number of heads resulting from 100 independent flips of a fair coin. What is the variance of the number of heads observed?
Practice this medium trader interview question on MyntBit - the all-in-one quant learning platform with 500+ quant interview questions for Jane Street, Citadel, Two Sigma, and other top quantitative finance firms.