4) Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. 104, T = 81.2, o = 7.8, 99% confidence n =

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```markdown
**MATH110 Problem Set 04**

4) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution.

- Sample size \( n = 104 \)
- Sample mean \( \bar{x} = 81.2 \)
- Population standard deviation \( \sigma = 7.8 \)
- Confidence level: 99%
```

**Explanation:**

This problem involves constructing a confidence interval. You are provided with the sample size, mean, standard deviation, and the confidence level. You will use these to calculate the range in which the true population mean \( \mu \) is expected to lie with 99% confidence. The formula used for this task generally involves the standard normal distribution (Z-distribution) due to the sample size provided.

Note: This page is part of a series and is labeled page 4 of 5.
Transcribed Image Text:```markdown **MATH110 Problem Set 04** 4) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution. - Sample size \( n = 104 \) - Sample mean \( \bar{x} = 81.2 \) - Population standard deviation \( \sigma = 7.8 \) - Confidence level: 99% ``` **Explanation:** This problem involves constructing a confidence interval. You are provided with the sample size, mean, standard deviation, and the confidence level. You will use these to calculate the range in which the true population mean \( \mu \) is expected to lie with 99% confidence. The formula used for this task generally involves the standard normal distribution (Z-distribution) due to the sample size provided. Note: This page is part of a series and is labeled page 4 of 5.
**Page 3 of 5**

**MATH110 PSet 04**

3) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution.

A lab tested twelve chicken eggs and found that the mean amount of cholesterol was 214 milligrams with \( s = 13.0 \) milligrams. Construct a 95% confidence interval for the true mean cholesterol content of all such eggs.

---

**MATH110 PSet 04**

4) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution.
Transcribed Image Text:**Page 3 of 5** **MATH110 PSet 04** 3) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution. A lab tested twelve chicken eggs and found that the mean amount of cholesterol was 214 milligrams with \( s = 13.0 \) milligrams. Construct a 95% confidence interval for the true mean cholesterol content of all such eggs. --- **MATH110 PSet 04** 4) Use the given degree of confidence and sample data to construct a confidence interval for the population mean \( \mu \). Assume that the population has a normal distribution.
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