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A poll is given, showing 65% are in favor of a new building project. If 4 people are chosen at random, what is the probability that exactly 2 of them favor the new building project?

 Jan 31, 2017
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This is a binomial probability question

 

 

C(4,2) * (.35)^2 * (.65)^2  ≈ .31 ≈  about 31%

 

 

 

cool cool cool

 Jan 31, 2017

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