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We flip a fair coin. Heads I give you $80 and tails you give me $80. What is the standard deviation of this game's payoff?
We flip a fair coin. Heads I give you $80 and tails you give me $80. What is the standard deviation of this game's payoff?
a | 0 |
b | 80 |
c | 100 |
d | 400 |
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