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?
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?
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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![**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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4cbdcd8-71de-429b-b001-27d54b327ca5%2Fa2b959f7-0505-44a9-871a-aa25ce293fc0%2Fitr0vhk_processed.png&w=3840&q=75)
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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