Premise: Four dirt bike riders are riding on a dirt road .
Correct statement: It is probable that dirt bike riders are racing .
Incorrect statement: There is little chance that dirt bike riders are racing .
Correct statement: There is a very good chance that the people are riding down a dusty road .
Incorrect statement: It is improbable that the people are riding down a dusty road .
Correct statement: There is a better than even chance that the riders are in a race .
Incorrect statement: It is impossible that the riders are in a race .
Correct statement: There is a better than even chance that four dirt bikers ride on a dirt road during a race
Incorrect statement: It is improbable that four dirt bikers ride on a dirt road during a race
Correct statement: There is a better than even chance that four dirt bike riders race one another along a dirt road .
Incorrect statement: Chances are slight that four dirt bike riders race one another along a dirt road .