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Belief in UFOs A survey found that 20% of people believe that they have seen a UFO. Choose a sample of 12 people at random.

Belief in UFOs A survey found that 20% of people believe that they have seen a UFO. Choose a sample of 12 people at random. Find the probability of the following. Round intermediate calculations and final answers to at least three decimal places.

(b) 2 or 3 people believe that they have seen a UFO

P (2 or 3 people believe that they have seen a UFO) =

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