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3. A senator wishes to estimate the proportion of United States voters who favor abolishing the Electoral College. How large
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Answer #1

Given information:

Significance level = Alpha = 0.01 (99% confident)
E = 0.04 (Difference in proportions)

The formula to calculate the sample size is:

O.25 E

z0.005 = 2.576

n = 0.25 * (2.576/0.04)2 = 1037

Correct option: D) 1037

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