2. Set A = 1, 2, 3, 4, 5, 6, 7, 8, 9
Set B = 2, 4, 6, 8
Set C = 4, 8

3. Find the following:
Set A and Set B Set A Set B
Set B and Set C Set B Set C

4. Set B or Set C Set B Set C
Set A and not Set B

5. Set A
Set C
Set B

6. A survey of 80 sophomores at a certain western
college showed the following:
36 take English 32 take history
32 take political science
16 take history and English
16 take political science and history
14 take political science and English
6 take all three

8. How many students:
­ take English and neither of the other two?
­ Take none of the three courses?
­ take history, but neither of the other two?
­ take political science and history but not English?
­ do not take political science?

9. Exercise 47
Questions
1 ­ 8