Question 14 (1 point) A study of 822 patients involved testing whether or no aspirin was an effective treatment for blood clots. The following data reports on the number of patients who had a major event while monitored over a number of years. Construct a 95% confidence interval for the difference in proportions of patients (Aspirin group -Placebo group) who had a major event. Number with major event Aspirin group 411 45 Placebo group 411 73 Total 822 O (-0.108,-0.028) O (-0.092,-o.044) O (-0.116,-0.020) O (-0.069,-0.067)