Premise: Two workers are cleaning a window with bystanders and a dog in the background .
Correct statement: There is a very good chance that the people are outside .
Incorrect statement: Chances are slight that the people are outside .
Correct statement: It is impossible that the two men are cleaning up the egg left there from last night 's Halloween escapades by local youths .
Incorrect statement: We believe that the two men are cleaning up the egg left there from last night 's Halloween escapades by local youths .
Correct statement: Chances are about even that two men are cleaning a large picture window in the front of a store .
Incorrect statement: It is highly unlikely that two men are cleaning a large picture window in the front of a store .
Correct statement: It is highly unlikely that a dog plays fetch near two workers .
Incorrect statement: It is certain that a dog plays fetch near two workers .
Correct statement: Chances are about even that birds left droppings on the windows requiring cleaning .
Incorrect statement: It is certain that birds left droppings on the windows requiring cleaning .