MA 125-06
§2.1 – 2.2 Quiz #3 score
Name:
16 September 2000
1. If U={a, b, c, d, e, f , g , h, i, j, k, l, m, n},A={a, c, e, g , }and B={c, g, i, j , k, l}, find the
set (A ∩B).(7 points)
2. List all the subsets of the set A={a, b, c, d}.(6 points)
3. A survey was conducted to examine patterns in owning microwaves ovens, answering
machines and VCRs. The following data were obtained: 21 people had microwaves; 39
people had VCRs; 7 people had none of the three; 8 people had answering machines, but
no microwaves or VCRs; 6 people had microwaves and VCRs, but no answering machines;
25 people had answering machines; 10 people had all three; 15 people had answering
machines and VCRs.
Draw a Venn diagram using the above information. Then determine how many people
were in the survey. (7 points)
