A basketball player who makes 75% of his free throws comes to the line to shoot a one on one. That is, if the first shot is successful, the player is given a second shot; if not, he gets no second shot. One point is scored for each successful shot. Assume the outcome of the second shot if there is one, is independent of that of the first
a) find out the expected number of points resulting from the one on one
b) compare this with the expected number of points from a two shot foul, where the second shot i always given