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Salim has a flock of 300 chickens, 15% of which are infected with a virus. He plans on taking an SRS of 7 chickens to test for the virus. Which of the following would find the probability that exactly
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Salim has a flock of 300 chickens, 15% of which are infected with a virus. He plans on taking an SRS of 7

chickens to test for the virus.
Which of the following would find the probability that exactly 4 of the 7 chickens sampled have the virus?

User Roger Medeiros
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1 Answer

5 votes

Answer:

(7/4)(0.15)^4(0.85)^3

Explanation:

khan says it’s right

User Vladimir Tsvetkov
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