Premise: A young man does a skateboard trick off of a concrete bench .
Correct statement: We doubt that the young man is a professional skateboarder .
Incorrect statement: It is likely that the young man is a professional skateboarder .
Correct statement: Chances are about even that he fell doing a trick , showing off on his skateboard .
Incorrect statement: It is highly unlikely that he fell doing a trick , showing off on his skateboard .
Correct statement: There is little chance that the boy is trying to impress a girl .
Incorrect statement: It is almost certain that the boy is trying to impress a girl .
Correct statement: It is likely that a young man practices to improve his skateboarding skills .
Incorrect statement: It is improbable that a young man practices to improve his skateboarding skills .
Correct statement: There is a very good chance that the skateboarder sometimes falls when he tries to do tricks .
Incorrect statement: There is little chance that the skateboarder sometimes falls when he tries to do tricks .