Using StatCrunch* and the available data, construct a 99% Confidence Interval for the proportion of all patients experiencing High CoVID-19 severity if they are a Never Smoker.
Using StatCrunch* and the available data, construct a 99% Confidence Interval for the proportion of all patients experiencing High CoVID-19 severity if they are a Never Smoker.
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
Using StatCrunch* and the available data, construct a 99% Confidence Interval for the proportion of all patients experiencing High CoVID-19 severity if they are a Never Smoker.
Expert Solution
Step 1
3 )Solution:
Part(a): p = (136 + 64)/(87 + 15 + 43 + 9 + 136 + 64)
= 0.565
The 99% confidence interval will be:
= p ± z*(√p(1-p)/n)
= 0.565 ± 2.576*(√0.565(1-0.565)/354)
= (0.4971, 0.6328)
Part(b):
We are 99% confident that the true proportion of all patients experiencing high Covid-19 severity if they are a
Never Smoker is between 0.4971 and 0.6328
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