MISSING VALUE Interview Questions

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Game1 : a dice roll with a 100-faces dice, labeled from 1 to 100. 1. You get to roll once and receive the amount of dollars labeled on the face, how much would you like to pay for this roll. 2. How much would you pay if you can roll the dice twice if you are unsatisfied with the first outcome? 3. You can roll the dice infinite times, and costs 1 dollar for each roll except the first one. What is your strategy? Game2: you are competing in a game with 2 other players. with a 21-faces dice (labeled 1-21). All three of you gets to choose a number and then roll the dice. Whoever chose the number closest to the outcome wins. What is your strategy? another twist: what if all three of you can communicated?
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Trading Intern

Interviewed at Jane Street

4.4
Aug 19, 2015

Game1 : a dice roll with a 100-faces dice, labeled from 1 to 100. 1. You get to roll once and receive the amount of dollars labeled on the face, how much would you like to pay for this roll. 2. How much would you pay if you can roll the dice twice if you are unsatisfied with the first outcome? 3. You can roll the dice infinite times, and costs 1 dollar for each roll except the first one. What is your strategy? Game2: you are competing in a game with 2 other players. with a 21-faces dice (labeled 1-21). All three of you gets to choose a number and then roll the dice. Whoever chose the number closest to the outcome wins. What is your strategy? another twist: what if all three of you can communicated?

Recently I attended the interview at Google and I was asked "You are given a sorted list of disjoint intervals and an interval, e.g. [(1, 5), (10, 15), (20, 25)] and (12, 27). Your task is to merge them into a sorted list of disjoint intervals: [(1, 5), (10, 27)]."
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Software Engineer, Google Fiber

Interviewed at Google

4.4
Sep 12, 2012

Recently I attended the interview at Google and I was asked "You are given a sorted list of disjoint intervals and an interval, e.g. [(1, 5), (10, 15), (20, 25)] and (12, 27). Your task is to merge them into a sorted list of disjoint intervals: [(1, 5), (10, 27)]."

Suppose N students participate in a coin flip experiment, when they get heads they stop, when they get tails they keep going. All students will stop after the second trial no matter the results. Y is the binary indicator of whether they claim they cheated in the experiment. Estimate how many students cheat in this experiment.
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Quantitative Analyst

Interviewed at Google

4.4
Mar 23, 2016

Suppose N students participate in a coin flip experiment, when they get heads they stop, when they get tails they keep going. All students will stop after the second trial no matter the results. Y is the binary indicator of whether they claim they cheated in the experiment. Estimate how many students cheat in this experiment.

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