Use for questions 9-12: A group of students were asked if they have at least one sibling and at least one pet. Of the students surveyed, 27 said they have a sibling and 24 students said they have a pet. Of the students who said they had a sibling, 12 do not have pets. 9. Complete the Venn diagram to the right to represent the results of this survey. Sibling Pet 3 27 12 24 12 If one of these students is chosen at random, find each probability as a fraction in simplest form. 10. P(has a sibling and a pet) 51 27/12 - 2 10 11. P(does not have a pet) 11 12 12. P(has a pet but no sibling) 12. 24 - 2