Jane Street

Interview Question

Assistant Trader Interview
Jane Street

There exists a six-sided die. The die is rolled, and you are paid $x if the die shows x dots (e.g., if you roll a 3, then you are paid $3). What is a fair price for this game? Additional layer: After rolling the die once, you have the option of taking the rolled amount or rolling again. However, if you roll again, you must take the amount corresponding to the second roll. What is a fair price for this game?

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