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According to the American Red Cross, 7% of people in the United States have blood type O-negative.A simple random sample of size 4 is obtained,
According to the American Red Cross, 7% of people in the United States have blood type O-negative.A simple random sample of size 4 is obtained, and the number of people X with blood type O-negative is recorded.Let X = number of people with O-negative blood.
Find the probability that exactly 3 people will have O-negative blood.Round to four places.
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