In a poll of 1000 randomly selected voters in a local election, 219 voters were against fire department bond measures. What is the sample proportion p^? What is the margin of error m for the 90% confidence level?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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In a poll of 1000 randomly selected voters in a local election, 219 voters were against fire department bond measures. What is the sample proportion p^? What is the margin of error m for the 90% confidence level?

 

**Critical Values for Quick Reference During This Activity**

| Confidence Level | Critical Value |
|------------------|----------------|
| 0.90             | \( z^* = 1.645 \) |
| 0.95             | \( z^* = 1.960 \) |
| 0.99             | \( z^* = 2.576 \) |

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**Jump to Level 1**

In a poll of 1000 randomly selected voters in a local election, 219 voters were against fire department bond measures.

**Questions:**

1. What is the sample proportion \(\hat{p}?\) 

   - Example: 0.123

2. What is the margin of error \( m \) for the 90% confidence level?

   - Example: 0.123
Transcribed Image Text:**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, 219 voters were against fire department bond measures. **Questions:** 1. What is the sample proportion \(\hat{p}?\) - Example: 0.123 2. What is the margin of error \( m \) for the 90% confidence level? - Example: 0.123
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