Six stand-up comics, A, B, C, D, E, and F, are to perform on a single evening at a comedy club. The order of performance is determined by random selection. Find the probability that: a. Comic B will perform second. b. Comic D will perform last and Comic A will perform first. c. The comedians will perform in the following order: B, D, A, F, E, C. d. Comic E or Comic C will perform third. a, (Type a fraction. Simplify your answer.) b. (Type a fraction. Simplify your answer.) C. (Type a fraction. Simplify your answer.) d. (Type a fraction. Simplify your answer.) K