(4) (One mark) Use the fact that in baseball's World Series, the first team to win four games wins the series. 1. Suppose team A wins the first three games. How many ways can the series be completed? (Draw a tree.) 2. How many ways can a World Series be played if team A wins four games in a row? Q5) (One mark) Box A contains five red marbles and three blue marbles, and Box B contains three red and two blue marbles. A marble is drawn at random from each box. Find the probability p that both marbles are red. Q6) (One mark) In an experiment a fair coin and a die are tossed. Let S be the sample space of the experiment. Express explicitly the following event. A = (heads and an odd number appears)