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In a September 2011 CNN ORC International Poll 15 of Americans

In a September 2011 CNN/ORC International Poll, 15% of Americans said that they trust the (Federal) Government in Washington to do what is right always or most of the time (http://caffertyfile.blogs.cnn.com/2011/09/28/our-government-is-more-badly-divided-than maybe-it-has-ever-been-whats-theanswer/? hpt=hp_t2). Let be the proportion of Americans in a random sample who hold the aforementioned opinion. Find the mean and standard deviation of the sampling distribution of and describe its shape when the sample size is

a. 30

b. 300

c. 3000

a. 30

b. 300

c. 3000

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