The phone interviewer asked me two brainteaser/probability questions. One was a typical probability of picking a matching pair of socks if you have a certain number of similar socks in a drawer.
Quantitative Trader Interview Questions
1,133 quantitative trader interview questions shared by candidates
They asked fun probability brainteaser questions.
Bid on sum of 2 dice
Great news! The variety of robotic competition continues to grow at breakneck pace! Most recently, head-to-head long jump contests have been all the rage. These contests consist of rounds in which each robot has a single attempt to score. In an attempt, a robot speeds down the running track (modeled as the numberline) from 0, the starting line, to 1, the takeoff point. A robot moves along this track by drawing a real number uniformly from [0,1] and adding it to the robot’s current position. After each of these advances, the robot must decide whether to jump or wait. If a robot crosses the takeoff point (at 1) before jumping its attempt receives a score of 0. If the robot jumps before crossing 1, it draws one final real number from [0,1] and adds it to its current position, and this final sum is the score of the attempt. In a head-to-head contest, the two robots each have a single attempt without knowing the other’s result. In the case that they tie (typically because they both scored 0), that round is discarded and a new round begins. As soon as one robot scores higher than the other on the same round, that robot is declared the winner! Assume both robots are programmed to optimize their probability of winning and are aware of each other’s strategies. You are just sitting down to watch a match’s very first attempt (of the first round, which may or may not end up being discarded). What is the probability that this attempt scores 0?
Classic game theory questions relating to Nash equilibrium
probability question asked during the test
Most of them are Probability Questions
A Probability/Expectation question with multiple parts
some probability questions and game theory
Some basic probability questions (more like brainteasers) involving expected values and markov chains. You should brush up on the greenbook and be comfortable with n-sided dice and strategies involving dice in general.
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