Venn Diagram
Answer the following questions about the Venn diagram below. 1. n(U) = 2. n(A) = 3. n(B) = 4. n() = 5. n() = 6. n(A ? B) = 7. n(A ? B) = 8. n( ? ) = 9. n( ? ) = 10. n(A ? ) = 11. n( ? B) = 12. n(A ? ) = 13. n(? B) = In a survey of 200 people 15 own a rifle, 25 own a handgun and 5 own both. Answer the following questions by using a Venn diagram. 14. How many people own a rifle only? 15. How many people own a handgun only? 16. How many people own a rifle or a handgun? 17. How many people did not own a rifle? 18. How many people did not own a handgun? 19. How many people own neither a handgun nor a rifle? In a survey of 100 people 80 had to check accounts, 60 had savings accounts, and 50 had both. Answer the following questions by using a Venn diagram. 20. How many people had a checking account only? 21. How many people had a savings account only? 22. How many people had a checking account or a savings account? 23. How many people did not have a checking account? 24. How many people did not have a savings account? 25. How many people had neither a checking account nor a savings account? A survey of 140 people at a movie theater for one evening revealed the following information. Fifty people purchased candy, 65 purchased popcorn, and 80 purchased a drink. Twenty-five people purchased popcorn and candy, 50 people purchased popcorn and a drink, and 30 people purchased candy and a drink. Twenty people purchased all three. Use a Venn diagram to answer the following questions. 26. How many purchased only a drink? 27. How many purchased popcorn or candy? 28. How many purchased popcorn and a drink but not candy? 29. How many did not purchase a drink? 30. How many purchased only popcorn? 31. How many did not purchase any of the three? 32. How many purchased a drink or candy? 33. How many did not purchase popcorn? 34. How many purchased candy and a drink but not popcorn? 35. How many purchased popcorn or a drink?