Probability

There are two boxes containing only red and purple pens. A pen is randomly chosen from each box.

1. Which of these events is most likely to occur? Be sure to show all your calculations. Event1: choosing a red pen from Box B. Event2: choosing a purple pen from Box A. Event3: choosing a red pen from Box A.
2. Which of these events is least likely to occur? Be sure to show all your calculations. Event1: choosing a red pen from Box A. Event2: choosing a purple pen from Box B. Event3: choosing a red pen from Box B.
3. Name an event where the probability would be 1.
4. Name an event where the probability would be 0.
5. Name an event where the probability would be 3.

Use this information:

Box A: purple pens: 20

Box A red pens: 9

Box B purple pens: 14

Box B red pens: 11