Premise: A construction worker is working on a support beam on a building .
Correct statement: It is probable that the person working is a man .
Incorrect statement: We doubt that the person working is a man .
Correct statement: It is almost certain that a construction worker is outside
Incorrect statement: We doubt that a construction worker is outside
Correct statement: Chances are slight that a construction worker welds a support beam for a build that had recently shifted .
Incorrect statement: It is certain that a construction worker welds a support beam for a build that had recently shifted .
Correct statement: Chances are about even that a construction worker uses a drill on a support beam .
Incorrect statement: It is certain that a construction worker uses a drill on a support beam .
Correct statement: It is highly likely that the construction worker is unionized .
Incorrect statement: It is improbable that the construction worker is unionized .