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Nine percent of americans say they are well informed about politics in comparison to most people. You randomly sample 200 americans and ask if they believe that they are well informed about politics in comparison to most people. What is the probability that less than 11% of the people sampled will answer yes to the question?.

Sagot :

Answer: 0.3121 = 31.21% probability that less than 8% of the people sampled will answer yes to the question.