High School








A survey of 850 people reported that between 38.6 % and 45.4 % favored the reelection of the current gą„overnor. Find the margin of error.

Answer :

The margin of error for the reported survey results is 3.4%.

Given that the survey reported a range of 38.6% to 45.4% in favor of the reelection of the current governor, we can consider this as a 95% confidence interval (which is commonly used in surveys).

To calculate the margin of error, we take half of the width of the confidence interval:

Margin of Error = (Upper Limit - Lower Limit) / 2

Upper Limit = 45.4%

Lower Limit = 38.6%

Margin of Error = [tex](45.4 - 38.6) / 2 = 3.4[/tex]

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