Acollege library has five copies of a certain text on reserve. two copies (1 and 2) are first printings, and the other three (3, 4, and 5) are second printings. a student examines these books in random order, stopping only when a second printing has been selected. one possible outcome is 5, and another is 213. (enter your answers as a comma-separated list. enter ø for the empty ) list the outcomes in ss={}b) let a denote the event that exactly one book must be examined. whatoutcomes are in a? a = {}(c) let b be the event that book 5 is the one selected. what outcomes arein b? b= {}(d) let c be the event that book 1 is not examined. what outcomes are inc? c ={}