Premise: Four people are jumping from the top of a flight of stairs .
Correct statement: It is likely that the people are testing their athletic skills .
Incorrect statement: It is probably not the case that the people are testing their athletic skills .
Correct statement: There is a very good chance that four people are in a life or death situation .
Incorrect statement: There is little chance that four people are in a life or death situation .
Correct statement: It is probable that the people are in a hurry .
Incorrect statement: It is improbable that the people are in a hurry .
Correct statement: There is a better than even chance that people jump from top of stairs with scared expressions .
Incorrect statement: It is improbable that people jump from top of stairs with scared expressions .
Correct statement: There is a better than even chance that a group of boys jumps down brick stairs .
Incorrect statement: It is highly unlikely that a group of boys jumps down brick stairs .