4 In raquetball, a player continues to serve as long as she is winning; a point
is scored only when a player is serving and wins the volley. The rst player
to win 21 points wins the game. Assume that you serve rst and have a
probability .6 of winning a volley when you serve and probability .5 when
your opponent serves. Estimate, by simulation, the probability that you will
win a game.