Show all your work in proper mathematical form to receive full marks. An answer with little or no justification may receive no marks! 66 students were surveyed about pet ownership. They were asked if they own a dog or cat. 24 said they own a cat, 18 said they own a dog, and 7 said they own both a cat and a dog. What is the probability of randomly selecting a student from this group that owns only one pet? Hint Draw a Venn Diagram