Critical values for quick reference during this activity. Confidence level | Critical value 0.90 2* = 1.645 0.95 2* = 1.960 0.99 * = 2.576
Critical values for quick reference during this activity. Confidence level | Critical value 0.90 2* = 1.645 0.95 2* = 1.960 0.99 * = 2.576 402462.2600164.qx3zqy7 Jump to level 1 A poll for a statewide election has a margin of error of 3.98 percentage points. How many voters should be sampled for a 90% confidence interval? Round up to the nearest whole number. Ex: 1234 voters
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