5. At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random sample of 316 patients with minor burns received the plasma compress treatment. Of these patients, 259 had no visible scars after treatment. Another random sample of 419 patients with minor burns received no plasma compress treatment. For this group, 94 had no visible scars after treatment. Find a 90% confidence interval for the difference between the two population proportions.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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**Study on Plasma Compress Treatment for Minor Burns**

The burn center at Community Hospital is conducting a study on a new plasma compress treatment for patients with minor burns. 

- **Sample 1**: A group of 316 patients received the plasma compress treatment. After treatment, 259 of these patients showed no visible scars.

- **Sample 2**: Another group of 419 patients did not receive the plasma compress treatment. Out of these, 94 patients had no visible scars after treatment.

The task is to find a 90% confidence interval for the difference between the two population proportions.
Transcribed Image Text:**Study on Plasma Compress Treatment for Minor Burns** The burn center at Community Hospital is conducting a study on a new plasma compress treatment for patients with minor burns. - **Sample 1**: A group of 316 patients received the plasma compress treatment. After treatment, 259 of these patients showed no visible scars. - **Sample 2**: Another group of 419 patients did not receive the plasma compress treatment. Out of these, 94 patients had no visible scars after treatment. The task is to find a 90% confidence interval for the difference between the two population proportions.
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