Suppose a group of 900 smokers (who all wanted to give up smoking) were randomly assigned to receive an antidepressant d

[answerhappygod]

Suppose a group of 900 smokers (who all wanted to give upsmoking) were randomly assigned to receive an antidepressant drugor a placebo for six weeks. Of the 265 patients who received theantidepressant drug, 58 were not smoking one year later. Of the 635patients who received the placebo, 134 were not smoking one yearlater. Given the nullhypothesis H0:(pdrug−pplacebo)=0 and the alternativehypothesis Ha:(pdrug−pplacebo)≠0, conduct a test to see iftaking an antidepressant drug can help smokers stop smoking.Use α=0.05
(a) The test statistic is
(b) The P-value is