In a survey, 105 people were asked if they believed in UFOS, ghosts, and Bigfoot. 12: ghosts and Bigfoot 11: UFOS and ghosts 34 believed in UFOS 30 believed in Bigfoot 30 believed in ghosts 12: UFOS and Bigfoot 4 believed in all three (a) How many people surveyed believed in at least one of these things? (b) How many people believed in ghosts and Bigfoot, but not UFOS? (c) How many people didn't believe in any of the three? (d) How many people believed in Bigfoot only? Calculator > Next Question

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