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a) expected value of a die b) suppose you play a game where you get a dollar amount equivalent to the number of dots that show up on the die. you roll it once. if you don't like it, you get to roll it again, but you have to keep the 2nd roll. what's the fair value of this game? c) same as b), except now you get to reroll twice.
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Intern

Interviewed at Jane Street

4.4
Dec 24, 2009

a) expected value of a die b) suppose you play a game where you get a dollar amount equivalent to the number of dots that show up on the die. you roll it once. if you don't like it, you get to roll it again, but you have to keep the 2nd roll. what's the fair value of this game? c) same as b), except now you get to reroll twice.

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