he physics department of a college has 9 male professors, 8 female professors, 10 male teaching assistants, and 13 female teaching assistants. If a person is selected at random from the group, find the probability that the selected person is a teaching assistant or a female

Answer 1

9+8+10+13 = total people =40 people

TEACHING ASSISTANT: 10+ 13 = 23 --> 23/40

FEMALE: 8+13 = 21 --> 21/40

Answer 2

11/10