1. Suppose a study of records the number of people who regularly walk their dogs, as well as recently purchased new hiking shoes in the last year: Did not purchase Purchased Hiking Total hiking shoes Shoes Walks their dog 63 42 105 regularly Does not walk their 31 69 dog regularly Total 101 73 174 a) Find P(walks their dog regularly). (4) b) Find P(does not walk their dog regularly). (4) c) Find P(walks their dog regularly n purchased hiking shoes). (4) d) Find P(does not walk their dog regularly U did not purchase hiking shoes). (4) e) Are the events P(walks their dog regularly) and P(purchased hiking shoes) independent? Why or why not? (4)