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A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants...

A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo and the outcome is pain relief within 30 minutes. The data are shown below

Pain Relief

No Pain Relief

New Medication

44

76

Placebo

21

99

Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance.

Math   Statistics-And-Probability   
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