Premise: A person in jeans and a blue sweatshirt aims a camera while standing near a crowd of people .
Correct statement: It is almost certain that a photographer in a blue sweatshirt taking a picture near a crowd outdoors .
Incorrect statement: Chances are slight that a photographer in a blue sweatshirt taking a picture near a crowd outdoors .
Correct statement: It is impossible that a photography class observes a teacher
Incorrect statement: It is likely that a photography class observes a teacher
Correct statement: It is impossible that the crowd of people is a flash mob all doing the moon walk to Micheal Jackson 's hit song `` Thriller ''
Incorrect statement: We believe that the crowd of people is a flash mob all doing the moon walk to Micheal Jackson 's hit song `` Thriller ''
Correct statement: It is impossible that a crowd forms near the entrance to the basketball arena .
Incorrect statement: We believe that a crowd forms near the entrance to the basketball arena .
Correct statement: There is a better than even chance that a person takes a photo of tourists .
Incorrect statement: It is improbable that a person takes a photo of tourists .