Premise: Group of three men and women in their late 20s watching an older man play guitar in the park .
Correct statement: It is almost certain that a group of men and women are crowded around a musician .
Incorrect statement: We doubt that a group of men and women are crowded around a musician .
Correct statement: Chances are about even that a group of people are at a concert outdoors
Incorrect statement: It is almost certain that a group of people are at a concert outdoors
Correct statement: It is highly unlikely that the man sings a country song
Incorrect statement: It is certain that the man sings a country song
Correct statement: It is impossible that the man is playing James Taylor songs .
Incorrect statement: It is certain that the man is playing James Taylor songs .
Correct statement: There is a better than even chance that an old man plays guitar to earn tip money .
Incorrect statement: Chances are slight that an old man plays guitar to earn tip money .