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| Choose 1 row from left column, 1 row from right column | |
| (A1) A sure gain of $240 | (B1) A sure loss of $750 |
| (A2) 25% chance of $1000 gain,
75% gain nothing
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(B2) 75% chance to lose $1000,
25% lose nothing
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| Choose 1 row:
(C1) 25% chance of a $240 gain, 75% chance of $760 loss (C2) 25% chance of a $250 gain, 75% chance of $750 loss |
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Maost people choose A1 and B2, which is the same as C1
Choosing A2 and B1 is the same as C2, which is indisputably better
than C1.