5.69 Choices for lunch For the set lunch at Amelia’s Restaurant, customers can select one meat dish, one vegetable, one beverage, and one dessert. The menu offers two meats (beef and chicken), three vegetables

(corn, green beans, or potatoes), three beverages (cola, ice tea, or coffee), and one dessert (Amelia’s apple pie).

a. Use a tree diagram to list the possible meals and to determine how many there are.

b. In practice, would it be sensible to treat all the outcomes in the sample space as equally likely for the customer selections we’d observe? Why or why not?