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A researcher conducted a survey of 500 voting adults at a particular party fund-raiser to estimate the average amount of money electorates contribute to candidates of their choice each election cycle. The data is normally distributed, with the highest amount being $8,750 and the lowest amount being $50. The sample mean is $125. What is the margin of error (ME), rounded to the nearest hundredth?

ME = ±$134.23

ME = ±$64.85

ME = ±$254.69

ME = ±$129.69

 
 Apr 9, 2020

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