Teachers A 2011 Gallup poll found that 76% of Americans believe that high achieving high

Chapter 18, Problem 24

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Teachers A 2011 Gallup poll found that 76% of Americans believe that high achieving high school students should be recruited to become teachers. This poll was based on a random sample of 1002 Americans. a) Find a 90% confidence interval for the proportion of Americans who would agree with this. b) Interpret your interval in this context. c) Explain what 90% confidence means. d) Do these data refute a pundits claim that 2/3 of Americans believe this statement? Explain.

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