SOLUTION: according to the most recent gallup poll, 82% of americans disapprove of congress. if we draw a sample size of 12 individuals, what is the probability that at least 10 of them disa

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Question 839779: according to the most recent gallup poll, 82% of americans disapprove of congress. if we draw a sample size of 12 individuals, what is the probability that at least 10 of them disapprove of congress?
Answer by stanbon(75887) About Me  (Show Source):
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according to the most recent gallup poll, 82% of americans disapprove of congress. if we draw a sample size of 12 individuals, what is the probability that at least 10 of them disapprove of congress?
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Binomial Problem with n = 12 and p(disapprove) = 0.82
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P(10<= x <=12) = 1-binomcdf(12,0.82,9) = 0.6298
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Cheers,
Stan H.
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