What is the probability of a randomly selected individual is

What is the probability of a randomly selected individual is graduate student? 0.28 0.09 0.35 0.37 Base on question 9, what is the probability that a randomly selected graduate student is male? 0.28 0.43 0.76 0.24 Base on question 9, if one student is selected at random what is the probability being a graduate stude given that the person is a female student?

Solution

0. Probability of a graduate student = (28+9)/100 = 37/100 = .37

1. Probability that a randomly selected graduate student is male = 28/(28+9) = 28/37 = 0.76