Premise: A man wearing orange reflective clothing and a red hard hat shovels watery mud next to a low cement wall .
Correct statement: Chances are about even that the man is a repairman .
Incorrect statement: It is almost certain that the man is a repairman .
Correct statement: Chances are about even that a low cement wall leaks
Incorrect statement: It is impossible that a low cement wall leaks
Correct statement: It is probable that a construction worker is clearing the area around the foundation of a building .
Incorrect statement: It is improbable that a construction worker is clearing the area around the foundation of a building .
Correct statement: It is highly unlikely that he is working at night .
Incorrect statement: It is likely that he is working at night .
Correct statement: It is probable that a man is working for a construction firm
Incorrect statement: Chances are slight that a man is working for a construction firm