Estimate the population mean by finding a 90% confidence interval given a sample of size 514, with a mean of 38.8 and a standard deviation of 13.8. Preliminary: a. Is it safe to assume that n < 0.05 of all subjects in the population? O No O Yes b. Is n > 30?

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**Estimate the Population Mean Using a 90% Confidence Interval**

You are given a sample of size 514, with a mean of 38.8 and a standard deviation of 13.8. Follow the steps below to estimate the population mean by finding a 90% confidence interval.

**Preliminary Questions:**

a. Is it safe to assume that \( n \leq 0.05 \) of all subjects in the population?
- No 
- Yes

b. Is \( n \geq 30 \)?
- No 
- Yes

**Confidence Interval:**

**Question:** What is the 90% confidence interval to estimate the population mean?

*Enter the tri-linear inequality values accurate to one decimal place.*

\[ < \mu < \] 

Please fill in the values for a complete calculation.
Transcribed Image Text:**Estimate the Population Mean Using a 90% Confidence Interval** You are given a sample of size 514, with a mean of 38.8 and a standard deviation of 13.8. Follow the steps below to estimate the population mean by finding a 90% confidence interval. **Preliminary Questions:** a. Is it safe to assume that \( n \leq 0.05 \) of all subjects in the population? - No - Yes b. Is \( n \geq 30 \)? - No - Yes **Confidence Interval:** **Question:** What is the 90% confidence interval to estimate the population mean? *Enter the tri-linear inequality values accurate to one decimal place.* \[ < \mu < \] Please fill in the values for a complete calculation.
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