A poll of 120 adults who shopped at Walmart found that 54 have purchased a flat screen television Based on these data, what is the margin of error
A poll of 120 adults who shopped at Walmart found that 54 have purchased a flat screen television Based on these data, what is the margin of error for a 95% confidence interval of the proportion of adults who have purchased a flat screen television.
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Cathy, CS.
