Premise: Four runners are competing in a race , on an indoor course , decorated with many colorful , international flags .
Correct statement: There is a better than even chance that 4 runners compete in an endurance race indoors .
Incorrect statement: It is improbable that 4 runners compete in an endurance race indoors .
Correct statement: It is likely that an internationally sponsered race sees the competition of four runners against each other .
Incorrect statement: It is impossible that an internationally sponsered race sees the competition of four runners against each other .
Correct statement: It is probably the case that the runners pass by an American flag , a Canadian flag and a Mexican flag .
Incorrect statement: It is impossible that the runners pass by an American flag , a Canadian flag and a Mexican flag .
Correct statement: It is probably not the case that the four runners competing in a race are nearing the finish line .
Incorrect statement: There is a very good chance that the four runners competing in a race are nearing the finish line .
Correct statement: It is probably not the case that the four runners are all sprinters .
Incorrect statement: It is almost certain that the four runners are all sprinters .