Jane Street Interview Question
4 coins you get $1 for each head .. Expected value ..
Interview Answer
Anonymous
Jun 4, 2015
I'm guessing 2 dollars? Expected value = payoff(1) x probability(0.5) = $0.5. So 4 coins makes it 2 dollars.
4 coins you get $1 for each head .. Expected value ..
Anonymous
I'm guessing 2 dollars? Expected value = payoff(1) x probability(0.5) = $0.5. So 4 coins makes it 2 dollars.
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