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12. In a poll conducted in 2008, 35% of adults aged 30-59 said they believe in ghosts. You select 16 people at work and ask them if they believe in ghosts. Find the probability that. a) exactly 9 said they believe in ghosts. b) fewer than 7 said they believe in ghosts. c) at most 4 said they believe in ghosts. d) more than 8 said they believe ... ................
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