Kalvin’s mother says, “Suppose each person in our family writes his or her name on a card and puts the card in a hat. If you mix up the 3 cards and pull 1 out, all 3 names are equally
likely to be picked. But suppose I put my name in the hat on 10 cards. Then the names are
not equally likely to be picked. My name has a greater chance of being chosen.”

3) Why is each card equally likely to be chosen, but each name is not?