Premise: Bolts hold the sign on the pole .
Correct statement: There is almost no chance that a stop sign in front of a school
Incorrect statement: It is almost certain that a stop sign in front of a school
Correct statement: Chances are about even that the bolts are large
Incorrect statement: It is almost certain that the bolts are large
Correct statement: There is a very good chance that it is a street sign outside .
Incorrect statement: It is improbable that it is a street sign outside .
Correct statement: There is a better than even chance that bolts hold the stop sign up
Incorrect statement: It is highly unlikely that bolts hold the stop sign up
Correct statement: It is probably not the case that the pole is very tall .
Incorrect statement: It is likely that the pole is very tall .