Cough and Headache At the 98% confidence level, should be nurse inform the managers that their estimate of the proportion of common cold patients is incorrect? Yes. The observed sample proportion of patients with a common cold is higher than 15%. Yes, 15% is not a plausible proportion because it is not within the 98% confidence interval. No, 15% is within the 98% confidence interval, and it could be correct. No. The sample is random, and the observed proportion can be this high even when the actual proportion of common cold among patients is 15%.
Cough and Headache At the 98% confidence level, should be nurse inform the managers that their estimate of the proportion of common cold patients is incorrect? Yes. The observed sample proportion of patients with a common cold is higher than 15%. Yes, 15% is not a plausible proportion because it is not within the 98% confidence interval. No, 15% is within the 98% confidence interval, and it could be correct. No. The sample is random, and the observed proportion can be this high even when the actual proportion of common cold among patients is 15%.
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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Question
Cough and headaches are symptoms of many diseases, including respiratory infections caused by the common cold. Health facility managers use 15% as their estimate for the proportion of patients with cough and headache symptoms who have a common cold.
A nurse noticed that out of 230 patients who complained of cough and headache, 53 had a common cold.
Use the above information to answer the following questions.
Transcribed Image Text:Cough and Headache
At the 98% confidence level, should be nurse inform the managers that their estimate of the
proportion of common cold patients is incorrect?
Yes. The observed sample proportion of patients with a common cold is higher than 15%.
Yes, 15% is not a plausible proportion because it is not within the 98% confidence interval.
No, 15% is within the 98% confidence interval, and it could be correct.
No. The sample is random, and the observed proportion can be this high even when the actual proportion
of common cold among patients is 15%.
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