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The Girl Scouts of America is interested in the true proportion of Americans who buy their...

  1. The Girl Scouts of America is interested in the true proportion of Americans who buy their cookies. They conducted a survey of 350 randomly selected Americans, and found that 88 buy their cookies.

    1. a) Name the distribution used to construct CIs. (Show any conditions that you’ve checked.)

    2. b) Find the 90% confidence interval for the true proportion of Americans who buy Girl Scout

      cookies.

    3. c) Interpret this confidence interval.

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