Premise: A person wearing slacks and a backpack climbs a ladder up the side of the rock face of a gorge .
Correct statement: There is a very good chance that the man is a proffessional cliff climber .
Incorrect statement: It is improbable that the man is a proffessional cliff climber .
Correct statement: It is impossible that a person wearing brown pants
Incorrect statement: It is probable that a person wearing brown pants
Correct statement: It is impossible that there is a person wearing slacks and a backpack climbing a ladder to find gold .
Incorrect statement: Chances are about even that there is a person wearing slacks and a backpack climbing a ladder to find gold .
Correct statement: Chances are about even that the person 's backpack has granola in it .
Incorrect statement: It is certain that the person 's backpack has granola in it .
Correct statement: It is almost certain that a person is climbing out of a gorge .
Incorrect statement: It is improbable that a person is climbing out of a gorge .