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, 564 voters were in favor of fire department bond measures.
What is the 90% confidence interval?
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Precalculus Concepts Through Functions, A Unit Circle Approach To Trigonometry
Authors: Michael Sullivan, Michael Sullivan III
3rd Edition
0321925866, 9780321925862
