Premise: An accordion player accompanies a man and woman who are dancing a tango on a city street as several passersby watch .
Correct statement: It is probable that people dancing expertly .
Incorrect statement: It is probably not the case that people dancing expertly .
Correct statement: There is a very good chance that a person plays an accordion for a man and woman who are dancing on a street trying to get tips
Incorrect statement: We doubt that a person plays an accordion for a man and woman who are dancing on a street trying to get tips
Correct statement: There is a better than even chance that a couple dance for a band with an accoridan player
Incorrect statement: It is improbable that a couple dance for a band with an accoridan player
Correct statement: It is probably not the case that the man and woman are married .
Incorrect statement: There is a very good chance that the man and woman are married .
Correct statement: There is a very good chance that a group of people have stopped to watch a young couple dancing a tango .
Incorrect statement: Chances are slight that a group of people have stopped to watch a young couple dancing a tango .