2. In June of 2009, a Pew Poll asked 1005 randomly selected
people: Which over-the-counter drug do doctors recommend to help
prevent heart attacks? Is it aspirin, cortisone, or antacids?
(Options were rotated.) Of 1005, 914 correctly chose aspirin.
Determine a 95% confidence interval for the population proportion
who knew the correct answer.
2. In June of 2009, a Pew Poll asked 1005 randomly selected people: Which over-the-counter drug do doctors recommend to
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2. In June of 2009, a Pew Poll asked 1005 randomly selected people: Which over-the-counter drug do doctors recommend to
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