Question 7. (20 marks in total, 2 marks per question). (1) In a simulation study, explain the difference between model, inputs, and outputs. (2) Which of the following statements, about simulation and decision analysis, is true? (i) Simulation and decision analysis are both optimization techniques. (ii) We can use simulation for decision making under uncertainty but not decision analysis. () In contrast with decision analysis, simulation is used only for not hard to model systems. (iv) Simulation does not guarantee optimal decisions on the other hand, decision analysis uses different approaches to find an optimal decision/alternative under a specific approach None of the above statement is true. (v)