A boy stands beside a railing at a go kart track .
Chances are about even that a boy standing at a go kart track is waiting for his turn to ride .
It is almost certain that a boy standing at a go kart track is waiting for his turn to ride .
Chances are about even that a boy standing at a go kart track is waiting for his turn to ride .
A boy standing at a go kart track is waiting for his turn to ride .