UFO
29
GHOST
30
BIG FOOT
13
9
2
4
2
DQ 1: Sets Venn diagram
How many people surveyed believed in at least one of these things?
The answer is 89.
Work:
29+9+2+2+30+4+13=89
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29
30
13
9
2
4
2
How many people surveyed believed in at least one of these things?
The answer is 89.
Work:
29+9+2+2+30+4+13=89