Premise: Several bike riders compete in a competition .
Correct statement: It is improbable that bikers are in fierce competition during the triathalon .
Incorrect statement: It is likely that bikers are in fierce competition during the triathalon .
Correct statement: Chances are about even that people are riding mountain bikes .
Incorrect statement: It is impossible that people are riding mountain bikes .
Correct statement: We believe that the bike riders are professionals .
Incorrect statement: We doubt that the bike riders are professionals .
Correct statement: We believe that bikers outdoors
Incorrect statement: There is almost no chance that bikers outdoors
Correct statement: Chances are about even that two people race on their bikes .
Incorrect statement: It is highly unlikely that two people race on their bikes .