In a clinical trial study in Scotland, the incidence of coronary events during 5-year follow-up in patients were collected. Each of patients was allocated either to a treatment or to a placebo. The following data were collected: Treatment Yes No Coronary Event No Yes 174 248 3128 3045 (i) A statistician reports that the probability of coronary event for those in the treatment group is 0.6830 that for those in the placebo group. Do you agree with their conclusion? Explain your answer. marks] (i) Perform suitable statistical analysis using appropriate risk measure(s). [5 marks] (iii) Carry out a suitable test to assess whether being on the treatment decreases the chance of coronary event compared to those in the placebo group. Report your findings. (4 marks] (iv) An expert doctor claims that in previous studies the odds ratio was found to have a mean of 0.5 and deviance 4. Based on these, perform a Bayesian analysis for the odds ratio. (5 marks]