8. (16 points) It is thought that angioplasty patients may survive lo.docx

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8. (16 points) It is thought that angioplasty patients may survive longer, with fewer recurring heart problems, if they take cholesterol-lowering drugs called statins. A large study was designed to assess the effectiveness of statin in reducing risk of fatal and non-fatal heart problems in angioplasty patients. In the study 900 patients started taking 80 mg/day of statin within two days of their angioplasty, resulting in 169 having serious heart problems within 5 years. Nine hundred similar patients were given a placebo, with 233 having serious heart problems within 5 years. (a) (2 points) Using the information from this study complete the following 2 x 2 contingency table. Serious Heart Problems No Serious
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