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In this​ case, assume that 179 eligible voters aged​ 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged​ 18-24, 22% of them voted. Prob…

In this​ case, assume that 179 eligible voters aged​ 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged​ 18-24, 22% of them voted. Prob…
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In this​ case, assume that 179 eligible voters aged​ 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged​ 18-24, 22% of them voted.

Probability that exactly 42 voted

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User Sawel
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1 Answer

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The binomial distribution applies here.

P(42\ voted)=179C42*(0.22)^(42)*(0.78)^(137)=0.063
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User Vijju
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