There are two boxes containing only purple and black pens. Box A has 12 black pens and 4 purple pens. Box B has 7 black pens and 13 purple pens. A pen is randomly chosen from each box. List these events from least likely to most likely Event 1: choosing a purple pen from Box B. Event 2: choosing a black or purple pen from Box A. Event 3: choosing a black pen from Box A. Event 4: choosing an orange pen from Box B. Most likely Least likely Event Event Event Event ? X