K A media research group uses samples of 5000 households to rank TV shows. The group reported that a news show had 16% of the TV audience. What is the 95% confidence interval for this result? Find the 95% confidence interval.
K A media research group uses samples of 5000 households to rank TV shows. The group reported that a news show had 16% of the TV audience. What is the 95% confidence interval for this result? Find the 95% confidence interval.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![**Transcription for Educational Website**
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**Problem Statement:**
A media research group uses samples of 5000 households to rank TV shows. The group reported that a news show had 16% of the TV audience. What is the 95% confidence interval for this result?
---
Find the 95% confidence interval.
\[ \text{___} < p < \text{___} \]
*(Type integers or decimals rounded to three decimal places as needed.)*
---
**Explanation:**
To calculate a 95% confidence interval for a proportion, you can use the formula:
\[ \hat{p} \pm Z \times \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \]
Where:
- \( \hat{p} \) is the sample proportion (0.16 in this case).
- \( Z \) is the Z-score for a 95% confidence level (approximately 1.96).
- \( n \) is the sample size (5000).
This calculation will help determine the range in which the true proportion of the TV audience likely falls with 95% confidence.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff975d70-13a1-4b46-9128-c7b8c86bf17f%2F321f5268-fadd-4c6f-b407-11ffb609e8dc%2Fw2xdvmk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Transcription for Educational Website**
---
**Problem Statement:**
A media research group uses samples of 5000 households to rank TV shows. The group reported that a news show had 16% of the TV audience. What is the 95% confidence interval for this result?
---
Find the 95% confidence interval.
\[ \text{___} < p < \text{___} \]
*(Type integers or decimals rounded to three decimal places as needed.)*
---
**Explanation:**
To calculate a 95% confidence interval for a proportion, you can use the formula:
\[ \hat{p} \pm Z \times \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \]
Where:
- \( \hat{p} \) is the sample proportion (0.16 in this case).
- \( Z \) is the Z-score for a 95% confidence level (approximately 1.96).
- \( n \) is the sample size (5000).
This calculation will help determine the range in which the true proportion of the TV audience likely falls with 95% confidence.
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