Four people enter their names into a drawing. the winner receives one of two different prizes that are randomly selected. the tree diagram represents all possible outcomes. part a what is the probability that ang wins and is given a mug? give the answer as a percent. enter your answer in the box. 12.5 % part b will the probability change if the prize were chosen first? use the drop-down menus to explain your answer. the probability change because the combinations in the sample space would .