TP Treating circulatory disease: Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In s

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Tp Treating Circulatory Disease Angioplasty Is A Medical Procedure In Which An Obstructed Blood Vessel Is Widened In S 1 (33.39 KiB) Viewed 27 times

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TP Treating circulatory disease: Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In some cases, a wire mesh tube, called a stent, is placed in the vessel to help it remain open. A study was conducted to compare the effectiveness of a bare metal stent with one that has been coated with a drug designed to prevent reblocking of the vessel. A total of 5329 patients received bare metal stents, and of these, 830 needed treatment for reblocking within a year. A total of 1125 received drug-coated stents, and 146 of them required treatment within a year. Can you conclude that the proportion of patients who needed retreatment differs between those who received bare metal stents and those who received drug-coated stents? Let p; denote the proportion of patients with bare metal stents who needed retreatment and p, denote the proportion of patients with drug-coated stents who needed retreatment. Use the a = 0.05 level of significance and the P-value method with the TI-84 Plus calculator

Part 2 of 4 Find the P-value. Round the answer to at least four decimal places. P-value =

Part 3 of 4 Determine whether to reject H.. Do not reject the null hypothesis H... D

Part 4 of 4 State a conclusion There is not enough evidence to conclude that the proportion of patients suffering a heart attack or stroke is less for ticagrelor.