3 ms·
You're right. But for 3,000,000 votes cast, the margin of error is about 6 hundredths of one percent. At the 99% confidence level, it's .074% variance.
by juiceandjuice 14y ago
You're right. But for 3,000,000 votes cast, the margin of error is about 6 hundredths of one percent. At the 99% confidence level, it's .074% variance.
- trhtrsh 14y agoWhat are you defining as "the" margin of error?
- juiceandjuice 14y agoThe margin of error of a poll is the margin of error at the 95% confidence level (two sigma). The standard "margin of error" when you are talking about polls. http://en.wikipedia.org/wiki/Margin_of_error#Different_confidence_levels http://en.wikipedia.org/wiki/Margin_of_error#Different_confi... In reality, you should apply a finite population correction, which would make the "margin of error" a bit smaller if you get a substantial percentage of the population voting: http://en.wikipedia.org/wiki/Finite_population_correction#Correction_for_finite_population http://en.wikipedia.org/wiki/Finite_population_correction#Co...