Premise: There are two workers , one on a ladder , against a blue wall with a yellow-and-black stripe .
Correct statement: It is highly likely that the workers are busy .
Incorrect statement: There is little chance that the workers are busy .
Correct statement: Chances are about even that one man works harder than the other .
Incorrect statement: It is almost certain that one man works harder than the other .
Correct statement: It is unlikely that workers take turns on the ladder while they paint the wall .
Incorrect statement: It is certain that workers take turns on the ladder while they paint the wall .
Correct statement: It is improbable that two man are working to fix an overhead light fixture .
Incorrect statement: It is probably the case that two man are working to fix an overhead light fixture .
Correct statement: Chances are about even that a man waits for another to climb a ladder near a wall .
Incorrect statement: It is almost certain that a man waits for another to climb a ladder near a wall .