Premise: The sidewalk closest to us is deserted .
Correct statement: There is a better than even chance that there is a footpath close by .
Incorrect statement: It is improbable that there is a footpath close by .
Correct statement: It is certain that no one is walking by .
Incorrect statement: Chances are slight that no one is walking by .
Correct statement: It is certain that a sidewalk is empty .
Incorrect statement: It is improbable that a sidewalk is empty .
Correct statement: It is impossible that the furthest sidewalk is very busy
Incorrect statement: It is likely that the furthest sidewalk is very busy
Correct statement: Chances are about even that the sidewalk is part of a large city .
Incorrect statement: It is almost certain that the sidewalk is part of a large city .