50-50 chance
A action or choise where you can either get it right or wrong with the same probibility. You say this to yourself to hide the fact that you really have a 90% chance of getting it wrong.
see:
gambleing
luck
cheated
see:
gambleing
luck
cheated
Hey jimmy you have a 50-50 chance of getting this question right and if you do you get the money.