Premise: A little boy attempts to fix his bike .
Correct statement: It is unlikely that a person trying to ride a bike
Incorrect statement: It is almost certain that a person trying to ride a bike
Correct statement: There is almost no chance that a boy tries to fix his bike because his friend broke it .
Incorrect statement: Chances are about even that a boy tries to fix his bike because his friend broke it .
Correct statement: It is probably not the case that a young boy replaces his bike tires .
Incorrect statement: It is probably the case that a young boy replaces his bike tires .
Correct statement: It is certain that a boy having trouble with his bike .
Incorrect statement: It is improbable that a boy having trouble with his bike .
Correct statement: Chances are about even that his bike has a flat tire
Incorrect statement: It is impossible that his bike has a flat tire