UFO's
42 - 9 - 2 -2 = 29
Bigfoot
21 - 2 - 2 - 4 =13
Ghost
45- 9 - 2- 4 = 30
4- 2 =2
11- 2 = 9
6- 2 = 4
all three: 2
Edony Princivil/Answer Key
Number of people surveyed believed in at least one of these things: 29+2+2+9+13+4+30 = 89
Or
Total: 160
Don't believe in any: 71
160 - 71 = 89 who believe in at least one of these three.