Question: Confidence intervals for population proportions. Critical values for quick reference during this activity. Confidence level Critical value 0.90 2* = 1.645 0.95 2* = 1.960

Confidence intervals for population proportions.

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* = 2.576 402356.2590420.qx3zqy7 Jump to level 1 A poll reported 40% support for a statewide election with a margin of error of 1.79 percentage points. How many voters should be sampled for a 99% confidence interval? Round up to the nearest whole number. Ex: 1234 + voters

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