UFO'S
(ufo's)
42
BIGFOOT
(Bigfoot)
21
GHOSTS
(ghosts)
45
(Bigfoot & ufos)
4
(ghosts & ufos)
11
(bigfoot & ghosts)
6
(all 3)
2
DQ 1: SetsDiscussion Topic
-Notes
42 believed in UFOs 45 believed in ghosts
21 believed in Bigfoot 11 believed in UFOs and ghosts
6 believed in ghosts and Bigfoot 4 believed in UFOs and Bigfoot
2 believed in all three
42+45+21+11+6+4+2=131
160-131=29
131 people believe in at least one creature
29 don't
