HardMath and Logic
Payoff 2n (St. Petersburg). Charge to play?
Riddle
Payoff 2n (St. Petersburg). Charge to play?
Choose an answer
A.�100
B.�1,000
C.Your life savings
D.Small amount
Hint: It's a 2-word phrase with 11 letters, starting with "S".
Answer
Small amount
Why this is the answer
The mathematical expectation is infinite, but most people wouldn't pay more than �20. This illustrates that humans value money based on 'utility' rather than just the raw expected amount.
This riddle is filed under Expert Riddles for Adults and rated Hard.
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