2. at the wava wagon wheels of chance, each student can spin two wheels of chance. the first wheel has the numbers 1, 2, and 3. the second wheel has the letters w, a, v and a (there are two sections with a). (a) make a tree diagram that lists all the possible outcomes of the compound event and their probabilities (b) when you spin both wheels, what is the probability that you get either a 2 or an a? explain.