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Determine the margin of error for the survey

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Reference no: EM131729674

Question: A Gallup Organization poll of n = 1004 randomly selected American adults in July 2002 found that 55% of those surveyed felt that their weight was about right. The margin of error for the survey was given as 3% (Source: https://www .gallup.com).

a. Find a 95% confidence interval estimate of the percentage of American adults who think their weight is about right.

b. Based on the interval computed in part (a), explain whether it is reasonable to say that more than 50% of American adults think their weight is about right.

Reference no: EM131729674

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