Question: 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. The outcome is pain relief within 30 minutes. The data are shown in Table 6.8

1. Generate a 95% CI for the proportion of patients on the new medication who report pain relief.
2. Generate a 95% CI for the difference in proportions of patients who report pain relief.

Table 6.8 Data for problem Z

Pain Relief No Pain Relief

New medication 44 76

Placebo 21 99

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