Question: 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 377158.2334820.qx3zqy7 Jump to level 1 A poll

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

377158.2334820.qx3zqy7

Jump to level 1

A poll reported 64% support for a statewide election with a margin of error of 3.69 percentage points. How many voters should be sampled for a 90% confidence interval? Round up to the nearest whole number.

voters

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