1. Ten students, Art, Bonnie, Carol, Doug, Ed, Frank, George, Hank, Ivan, and Jeff, volunteer to sell refreshments at the faculty-student basketball game, and only three students are needed. In order to select three students, the following procedure is to be used. Each of the 120 possible selections of three students is written on a piece of paper, and then one piece of paper is selected at random. a) What is the probability that Art is selected? b) What is the probability that Doug is not selected? c) What is the probability that both Art and Ed are selected? d) If Bonnie is selected, what is the probability that Carol is not selected? e) What is the probability that either Bonnie or Carol is selected