Premise: A crowded busy dock with people standing next to a freight car either loading or unloading it.aa .
Correct statement: It is impossible that ten people are near a car .
Incorrect statement: It is probable that ten people are near a car .
Correct statement: Chances are about even that a crowded dock has people on it standing next to a freight car because the car is late for it 's next unloading .
Incorrect statement: It is certain that a crowded dock has people on it standing next to a freight car because the car is late for it 's next unloading .
Correct statement: We believe that there are ships unloading the freight on to the docks .
Incorrect statement: It is probably not the case that there are ships unloading the freight on to the docks .
Correct statement: Chances are about even that people are unloading goods for their store .
Incorrect statement: It is highly unlikely that people are unloading goods for their store .
Correct statement: It is probably not the case that two guys carrying cargo .
Incorrect statement: It is almost certain that two guys carrying cargo .