Premise: Flute player performs for commuters in an underground walkway .
Correct statement: It is highly unlikely that flute players performing in a subway station
Incorrect statement: It is probable that flute players performing in a subway station
Correct statement: It is probably the case that a person plays the flute for people for money
Incorrect statement: It is probably not the case that a person plays the flute for people for money
Correct statement: It is probably the case that the flute player makes several commuters smile .
Incorrect statement: We doubt that the flute player makes several commuters smile .
Correct statement: There is a very good chance that a flute player plays for some spare change in an underground walkway filled with commuters .
Incorrect statement: We doubt that a flute player plays for some spare change in an underground walkway filled with commuters .
Correct statement: Chances are about even that the musicians are playing classical music .
Incorrect statement: It is highly unlikely that the musicians are playing classical music .