1.1
1.1
million
12.
1/1 points
| Previous AnswersWaneFM6 6.2.045.
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My Notes
The following table shows the number of sales of existing homes, in millions, in the different
regions of the United States during 2009–2011.
†
Take
S
to be the set of all home sales
represented in the table and label the sets representing the home sales in each row and
column as shown (so that, for example,
N
is the set of all sales of existing homes in the
Northeast during 2009–2011).
Northeast
(
N
)
Midwest
(
M
)
South
(
T
)
West
(
W
)
Total
2009 (
A
)
0.9
1.2
1.9
1.2
5.2
2010 (
B
)
0.8
1.1
1.9
1.2
5.0
2011 (
C
)
0.8
1.1
1.9
1.1
4.9
Total
2.5
3.4
5.7
3.5
15.1
Use symbols to describe the given set.

Compute its cardinality.
2
2.0
million
13.
0.5/1 points
| Previous AnswersWaneFM6 6.2.049.
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My Notes
The following table shows the performance of a selection of 100 fictitious stocks after one
year. (Take
S
to be the set of all stocks represented in the table.)

Companies
Pharmaceutica
l
(
P
)
Electroni
c
(
E
)
Internet
(
I
)
Total
Increased (
V
)
5
5
20
30
Unchanged
†
(
N
)
35
0
5
40
Decreased (
D
)
5
5
20
30
Total
45
10
45
100
Compute
n
(
P'
∪
N
).
65
90
stocks
What does this number represent?