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 In a poll of 1000 randomly selected

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

In a poll of 1000 randomly selected voters in a local election, 345 voters were against school bond measures.

What is the sample proportion p^?

What is the margin of error m for the 90% confidence level?

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