Of the 150 students interviewed, 50 applied for the computer major,60 for math and 40 for Physics.14 applied for Computer and Math,13 for Math and Physics,11 for Physics and Computers and 10 applied for these 3 subjects.
What is the probability that a student chosen at random applied for:
(a)neither of the 3 subjects
(b)Math and physics but not Computers?
(c)Math given that he/she chose Computers?