Question

A study compares the effectiveness of two different medications for a certain medical condition. Out of 400 patients who took medication A, 240 showed improvement. Out of 350 patients who took medication B, 210 showed improvement. Develop a 99% confidence interval for the difference in proportions of patients who showed improvement between the two medications.

Name: a study compares the effectiveness of two different medications for a certain medical condition out of 400 patients who took medication a 240 showed improvement out of 350 patients who took medication
Uploaded: 2023-08-18T00:48:56-08:00
Duration: 2 min 45 s
Channel: Ivan Kochetkov
Description: a study compares the effectiveness of two different medications for a certain medical condition out of 400 patients who took medication a 240 showed improvement out of 350 patients who took medication

          A study compares the effectiveness of two different medications for a certain medical condition. Out of 400 patients who took medication A, 240 showed improvement. Out of 350 patients who took medication B, 210 showed improvement. Develop a 99% confidence interval for the difference in proportions of patients who showed improvement between the two medications.

Added by John D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

08/18/2023

Step 1

For medication A, the proportion is 240/400 = 0.6. For medication B, the proportion is 210/350 = 0.6. The difference in proportions is 0.6 - 0.6 = 0. Show more…

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A study compares the effectiveness of two different medications for a certain medical condition. Out of 400 patients who took medication A, 240 showed improvement. Out of 350 patients who took medication B, 210 showed improvement. Develop a 99% confidence interval for the difference in proportions of patients who showed improvement between the two medications.