Premise: A man without a helmet is riding a red bike .
Correct statement: There is a better than even chance that a man is riding a mountain bike on the street .
Incorrect statement: It is impossible that a man is riding a mountain bike on the street .
Correct statement: It is probable that the man does not have a helmet because he was rushing and forgot it .
Incorrect statement: It is improbable that the man does not have a helmet because he was rushing and forgot it .
Correct statement: It is almost certain that a man 's hair blows in the breeze while riding a bike .
Incorrect statement: Chances are slight that a man 's hair blows in the breeze while riding a bike .
Correct statement: It is probable that a man wearing shorts and a t-shirt is riding a bike .
Incorrect statement: We doubt that a man wearing shorts and a t-shirt is riding a bike .
Correct statement: There is almost no chance that the man lost his helmet .
Incorrect statement: It is almost certain that the man lost his helmet .