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 Jump to level 1 In 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

Jump to level 1

In a poll of 1000 randomly selected voters in a local election, 90 voters were against fire department bond measures. What is the sample proportion p^? What is the margin of error m for the 99% confidence level?

What is the margin of error m for 95% confidence level?

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