5_Problem_Set - at least 1 of them has O-negative blood? b)...

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Book PS #5 Round all of your final answers to four decimal places if necessary. From Book: 4.22 (page 255) 4.28 (page 256) 4.30 (page 257) 4.32 (page 257) 4.38 (page 257) 4.44 (page 258) Then do: #1) Only 8% of the American population have O-negative blood. a) If 12 people appear at random to give blood, what is the probability that
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Unformatted text preview: at least 1 of them has O-negative blood? b) If 12 people appear at random to give blood, what is the probability that at least 2 of them have O-negative blood? c) If 12 people appear at random to give blood, what is the probability that exactly 2 of them have O-negative blood?...
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