There are two boxes containing only green and blue pens. Box A has 14 blue pens and 6 green pens. Box B has 3 blue pens and 9 green pens. A pen is randomly chosen from each box. List these events from least likely to most likely. Event 1: choosing a blue or green pen from Box B. Event 2: choosing a blue pen from Box A. Event 3: choosing a black pen from Box A. Event 4: choosing a green pen from Box B. Least likely Most likely Event ] , Event ] , Event ] , Event Continue A O