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(Round 2) Suppose two players play a game where Player A, then Player B, picks an integer between 1 and 30. Then, a thirty-sided die is rolled. Whoever guessed closer to the value of the roll obtains an amount of money equal to the value of the roll from the other player. Given the choice, do you decide to go first or second? What number do you choose? What is the expected value of this position?
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Quantitative Analyst Intern

Interviewed at Jane Street

4.4
Feb 24, 2017

(Round 2) Suppose two players play a game where Player A, then Player B, picks an integer between 1 and 30. Then, a thirty-sided die is rolled. Whoever guessed closer to the value of the roll obtains an amount of money equal to the value of the roll from the other player. Given the choice, do you decide to go first or second? What number do you choose? What is the expected value of this position?

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