You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 4.5% of the true population proportion. How large of a sample size is required? Hint: Video [+] n=
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 4.5% of the true population proportion. How large of a sample size is required? Hint: Video [+] n=
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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![**Estimating Sample Size for Population Proportion**
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 4.5% of the true population proportion. How large of a sample size is required?
**Hint:** [Video]
n = [ ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5480d4d1-ea31-4a53-998f-6e5504770643%2Ffb463bff-ddaf-4c83-9c2e-ef8bf85dd890%2Fx733e9s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Estimating Sample Size for Population Proportion**
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 4.5% of the true population proportion. How large of a sample size is required?
**Hint:** [Video]
n = [ ]
Expert Solution
Step 1: Determine the given data
From the provided information,
Confidence level = 90%
Margin of error (E) = 4.5% = 0.045
If we have no reasonable preliminary estimation for the population proportion then p = 0.5
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Solved in 3 steps with 3 images
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