Researchers Hupfl et al. (The Lancet, 2010) combined the results from three randomized experiments to investigate whether giving chest-compression-only (CC) instructions rather than standard cardiopulmonary resuscitation (CPR) instructions to the witness of a heart attack will improve the victim's chance of surviving. In each experiment, the emergency services dispatcher randomly assigned either CC or CPR instructions to the bystander who was at the site where a person had just experienced a heart attack. They found that of the1454 cases where CC instructions had been given,192 people had survived, whereas out of 1571cases where standard CPR instructions had been given, the number was175

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Use an appropriate applet to nd a theorybased p-value to test your hypotheses. Report the standardized statistic as well as the p-value. Round standardized statistic to 2 decimal places, e.g. 0.83 and p-value to 4 decimal places, e.g. 0.0083. The p-value is n and the standardized statistic is n eTextbook and Media Use an appropriate applet to nd a theorybased 95% condence interval and interpret the resulting interval in the context of the study. Round your answers to 4 decimal places, e.g. 0.0083. Condence interval is( l , l )