Can you help me with Maths? =)

Mae is on a quiz bowl team. She answers her quiz bowl questions correctly one-sixth of the time.
Which is a way you could simulate the probable outcomes of this event with a six-sided number cube?



correct: a roll of 6
incorrect: a roll that is not 6


correct: a roll of an even number
incorrect: a roll of an odd number


correct: a roll of a number less than 3
incorrect: a roll of a greater than, or equal to, 3


correct: a roll that is not three
incorrect: a roll of three

Explain your answer. I don't want to get it wrong! ;)