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 414438.1703532.qx3zqy7 Jump to level 1 In a
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 |
414438.1703532.qx3zqy7
Jump to level 1
In a poll of 1000 randomly selected voters in a local election, 682 voters were in favor of 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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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
