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On May 23, 2013, Gallup reported that between 73 and 78 percent of people surveyed believe that they will continue working past retirement age. The

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On May 23, 2013, Gallup reported that between 73 and 78 percent of people surveyed believe that they will continue working past retirement age. The confidence level for this study was reported at 95% with a +- 3 % margin of error. Determine the sample size that would have been needed

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