Premise: A woman in a withe shirt and brown skirt is playing with a large mouse trap type toy involving a black wired track that guides colored balls around a circuit .
Correct statement: It is impossible that the woman must know about electric circuits .
Incorrect statement: Chances are about even that the woman must know about electric circuits .
Correct statement: It is likely that a young student is experimenting with a mouse trap toy in order to learn about physics .
Incorrect statement: It is improbable that a young student is experimenting with a mouse trap toy in order to learn about physics .
Correct statement: It is impossible that the woman is demonstrating the toy as her son looks on .
Incorrect statement: There is a better than even chance that the woman is demonstrating the toy as her son looks on .
Correct statement: It is impossible that the skirt is knee 's length .
Incorrect statement: It is probable that the skirt is knee 's length .
Correct statement: Chances are about even that a woman plays with her new toy
Incorrect statement: It is certain that a woman plays with her new toy