You pay $1,000 to flip a two-sided, fair coin at the local fair. If you flip 'heads',
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You pay $1,000 to flip a two-sided, fair coin at the local fair. If you flip 'heads', you walk away with $3,000, a return of 200%. However, if you flip 'tails', you walk away with $250, a return of -75%. What is the standard deviation of the returns?
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