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Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 z* = 1.960 0.99 z* = 2.576 270604.2192002.qx3zqy7

Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 z* = 1.960 0.99 z* = 2.576 270604.2192002.qx3zqy7 Jump to level 1 A poll for a statewide election has a margin of error of 1.38 percentage points. How many voters should be sampled for a 90% confidence interval? Round up to the nearest whole number. Ex: 1234 4 voters

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