Discuss and Write: You and your 8 friends decide to draw straws for a prize. There are 8 long straws and 1 short straw. Describe how the theoretical probability of drawing the short straw changes as each friend picks a straw. Dee can choose from a grab bag of 20 small packages. There are 5 packages of raisins, 5 packages of nuts, 5 packages of trail mix, and 5 packages of dried fruit. Dee randomly selects one package. What is the probability that she will select a package of raisins?