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(Solution Library) In a recent study of 22,000 male physicians, half were given regular doses of aspirin while the other half were given placebos. The study ran for

Question: In a recent study of 22,000 male physicians, half were given regular doses of aspirin while the other half were given placebos. The study ran for six years at a cost of $4.4 million. Among those who took the aspirin, 104 suffered heart attacks. Among those who took placebos, 189 suffered heart attacks

  1. What is the null and alternative hypotheses for this study? To receive full credit you must write these claims both symbolically AND in English.
  2. What is the critical value if a = 0.01?
  3. What is the z-value based on the sample?
  4. Do these results Show a statistically significant decrease in heart attacks among the

sample who took aspirin?

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