Intersection and conditional probability Suppose that a certain college class contains 47 students. Of these, 30 are freshmen, 22 are economics majors, and 10 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a freshman and an economics major? (b) Given that the student selected is a freshman, what is the probability that he is also an economics major? Write your responses as fractions. (If necessary, consult a list of formulas.) (a) I (b) I Explanation Check Acc 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use I Frivacy P Type here to search ||