BOX A	Purple pens:11	Red pens:24	Total Pens:35
BOX B	Purple pens:18	Red pens:7	Total Pens:25

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

c .Name an event where the probability would be 1.

d. Name an event where the probability would be 0.

e. Name an event where the probability would be 3.