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How many voters? Critical values for quick reference during this activity. Confidence level | Critical value 0.90 2* = 1.645 0.95 z* = 1.960 0.99

How many voters?

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Critical values for quick reference during this activity. Confidence level | Critical value 0.90 2* = 1.645 0.95 z* = 1.960 0.99 2* = 2.576 Jump to level 1 A poll for a statewide election has a margin of error of 3.81 percentage points. 2 How many voters should be sampled for a 99% confidence interval? Round up 3 to the nearest whole number. Ex: 1234 + voters 4

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