1. From a group of 30 students, 15 students attend college A of which 7 are women. 10 students attend college of which 5 are women. 5 students attend college C of which 2 are women. If one student is selected from the group at random. Find the probability that: A) the student attends college A or is a man B) the student attends college A or is a man but not both C) the student attends college B or is a woman D) the student attends college A or college B