There are two boxes containing only green and yellow pens.
Box A has green pens and yellow pens.
Box B has green pens and yellow pens.
A pen is randomly chosen from each box.
List these events from least likely to most likely.
Event : choosing a green pen from Box B.
Event : choosing a red pen from Box A.
Event : choosing a green pen from Box A.
Event : choosing a green or yellow pen from Box B.
From least likely to most likely:
Event : choosing a red pen from Box A.
Event : choosing a green pen from Box B.
Event : choosing a green pen from Box A.
Event : choosing a green or yellow pen from Box B.