In a randomized clinical trial of timolol vs. placebo in patients surviving acute myocardial infarction, the total deaths at an average of 24 months after treatment were found to be 65 out of 720 in the Timolol group and 112 out of 860 in the placebo group.
a. Can you conclude that patient condition, after 24 months, is independent of the treatment? Use alpha=0.05
b. What is the p-value? Explain
c. What are your recommendations for such patients?