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Find the 99% confidence interval for the standard deviation of visits until recovery.

Find the 99% confidence interval for the standard deviation of visits until recovery.

MATLAB: An Introduction with Applications
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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Find the 99% confidence interval for the standard deviation of visits until recovery.
Transcribed Image Text:Find the 99% confidence interval for the standard deviation of visits until recovery.
The standard therapy used to treat zombie attacks cures 60% of all patients in an average of 140 visits. A healthcare provider considers supporting a new therapy regimen for zombie attacks if it is effective in reducing the number of visits while improving the proportion of recoveries relative to the standard therapy. A study of 150 patients with the zombie disorder who were treated by the new therapy regimen reveals that 91 of them were cured in an average of 131 visits with a standard deviation of 38 visits.
Transcribed Image Text:The standard therapy used to treat zombie attacks cures 60% of all patients in an average of 140 visits. A healthcare provider considers supporting a new therapy regimen for zombie attacks if it is effective in reducing the number of visits while improving the proportion of recoveries relative to the standard therapy. A study of 150 patients with the zombie disorder who were treated by the new therapy regimen reveals that 91 of them were cured in an average of 131 visits with a standard deviation of 38 visits.
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