3. A student is practicing archery with a target made of three concentric zones: A circular bull's eye in the middle, an inner ring, and an outer ring. He has a 0.12 probability of hitting the bull's eye, a 0.37 probability of hitting the inner ring and a 0.43 probability of hitting the outer ring. On any given shot, what is the probability that the student: a) Misses the target entirely. (2 b) Hits the target but does not get a bull's eye. c) Hits the inner ring or the bull's eye.