Premise: Emergency medical crews , firefighters , and police officers at the scene of a car accident .
Correct statement: It is improbable that a bad accident caused by the icy conditions left a car in pieces .
Incorrect statement: There is a very good chance that a bad accident caused by the icy conditions left a car in pieces .
Correct statement: It is improbable that there is a several car pile up on the interstate
Incorrect statement: It is certain that there is a several car pile up on the interstate
Correct statement: Chances are about even that they work quickly to save the man from the wreckage
Incorrect statement: It is certain that they work quickly to save the man from the wreckage
Correct statement: We believe that the drivers have not died .
Incorrect statement: It is improbable that the drivers have not died .
Correct statement: It is highly unlikely that emergency personnel cleaning up after a hit and run .
Incorrect statement: It is probable that emergency personnel cleaning up after a hit and run .