Question

1. How many students play basketball?

2. Which students play basketball and wear new shoes?
3. Write down n(B union N)
4. To which group does Michelle belong?
5. How many students are in the class?

Answer 1

1. 5

2. Gina, Kay

3. n = {Chirs, Leslie,Joy,Gina,Kay,Debby,Marion,Thea}

4. none (he doesn't wear new shoes, or play basketball)

5. 12

Explanation:

1. We get all of the members in B

2. e = B∩N (intersection)

3. n(B∩N) / all members of B and N

4. Michelle - x | x =/ B and x | x =/ N (he doesn't belong in B or N)

5. sum(all)

Answer 2

1. Five
2. Kay and Gina
3. Gina and Kay
4. None
5. twelve