A market researcher is interested in responses. Based on the information from the table listed as below, find the answers to the questions listed below: a. Find the probability that a selected subject responds and is between the age of 30 and 39. b. Find the probability that a selected subject responds or is between the age of 30 and 39. Age age age age age 18-21 22-29 30-39 40-49 50-59 60 and over responded 73 250 198 46 refused 19 22 153 46 37 Age 42