The newspaper that is actually the closest to the percentage of voters who support the governor's reelection is the tribune at 71%.
What is the sample size of a population?
The sample size (n) is the total number of completed responses gathered from a survey sampling process.
From the given information, using the formula for standard error of a sample proportion:
= √ [p (1-p) / n)]
- 71% of 1100 of the tribune = 0.01368
- 67% of 900 of the herald = 0.01483
- 81% of 700 of the times = 0.01567
Therefore, the sample size of the tribune has the greatest and closest estimate to the actual percentage of voters that supports the governor for reelection,
Learn more about simple sizes here:
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