Confidence level Critical value 0.90 z* = 1.645 0.95 z* = 1.960 0.99 2* = 2.576 3367 76.1594334 qx3zay7 Jump to level 1 A poll reported 62% support for a statewide election with a margin of error of 1.56 percentage points. How many voters should be sampled for a 90% confidence interval? Round up to the nearest whole number. Ex: 1234 + voters