Premise: People standing in front of mechanical equipment .
Correct statement: Chances are about even that a factory supervisor displays a new equipment to his workers
Incorrect statement: It is certain that a factory supervisor displays a new equipment to his workers
Correct statement: Chances are about even that people in front of a crowded area
Incorrect statement: There is almost no chance that people in front of a crowded area
Correct statement: Chances are slight that the people were male .
Incorrect statement: It is almost certain that the people were male .
Correct statement: It is unlikely that people are examining equipment for glitches .
Incorrect statement: It is probably the case that people are examining equipment for glitches .
Correct statement: It is impossible that people are in front of mechanical equipment trying to repair a city that has been bombed by the Germans .
Incorrect statement: There is a very good chance that people are in front of mechanical equipment trying to repair a city that has been bombed by the Germans .