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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Trigonometry A Unit Circle Approach (Subscription)
Authors: Michael Sullivan
9th Edition
032183075X, 9780321830753
