A group of 118 doctors and nurses volunteered to run a health fair Each volunteer worked one shift The table below summarizes the data on the volunteers and their shifts Doctor Nurse Morning Afternoon Evening 6 33 24 24 15 16 Suppose a volunteer from the health fair is chosen at random Answer each part Do not round intermediate computations and round your answers to the nearest hundredth If necessary consult a list of formulas a What is the probability that the volunteer is a nurse or worked the morning shift 0 b What is the probability that the volunteer is a doctor given that the volunteer worked the afternoon shift X C