According to a Gallup poll conducted January 58, 2014, 67% of American adults were dissatisfied with the
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According to a Gallup poll conducted January 5–8, 2014, 67% of American adults were dissatisfied with the way income and wealth are distributed in America. Assume that this poll is based on a random sample of 1500 American adults.
a. What is the point estimate of the corresponding population proportion?
b. Construct a 98% confidence interval for the proportion of all American adults who are dissatisfied with the way income and wealth are distributed in America. What is the margin of error for this estimate?
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