2. 1522 customers at a major retailer were surveyed whether or not they made a purchase and were satisfied with the service they received. The table below organizes the responses. Made a Purchase Did Not Make a Purchase Total Satisfied with Service 130 715 845 Not Satisfied with Service Total 494 624 183 898 677 1522 a. [2bts] What is the probability that a shopper selected at random made a purchase, given that they were not satisfied with the service? Write your answer as a fraction. Answer (1 pt) Reasoning/Explanation (1 pt) b. [1 pt] What is the probability that a shopper selected at random made a purchase or was satisfied with the service they received? Write your answer as a fraction.