Critical values for quick reference during this activity. Confidence level Critical value 0.90 z* = 1.645 0.95 z* - 1.96
Posted: Sun Sep 05, 2021 5:20 pm
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 346866.1309708.qx3zqy7 Jump to level 1 A poll for a statewide election has a margin of error of 3.22 percentage points. How many voters should be sampled for a 90% confidence interval? Round up to the nearest whole number. Ex: 1234 voters