Premise: This is a man with a goofy grin on his face .
Correct statement: It is probable that the man is grinning at someone .
Incorrect statement: It is probably not the case that the man is grinning at someone .
Correct statement: It is probably the case that there is a happy person .
Incorrect statement: There is almost no chance that there is a happy person .
Correct statement: There is little chance that he is amused by joke told by a coworker .
Incorrect statement: There is a better than even chance that he is amused by joke told by a coworker .
Correct statement: Chances are slight that there is a man grinning as he watches his favorite movie
Incorrect statement: There is a very good chance that there is a man grinning as he watches his favorite movie
Correct statement: It is impossible that a tall man
Incorrect statement: Chances are about even that a tall man