Difficulty: Medium
Category: Betting Games
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: probability, conditional-probability, expected-value, mental-math
You are forced to play Russian Roulette with a standard six-shooter revolver. The cylinder is loaded with two bullets in adjacent chambers. The cylinder is spun, and the gun is pointed at your head. The trigger is NOT pulled yet. You are given the option to either: Pull the trigger now. Spin the cylinder again and then pull the trigger. Assuming you want to maximize your probability of survival, which option should you choose?
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