Question 3 (3 points) In the SMS textbook, an example of risk assessment was provided in which a merchant could calculate the number of guards that would result in the highest probability of not having a complete loss while transporting his goods. The best number of guards to provide this protection was found to be; Question 4 (3 points) As described in FAA AC 120-92, the four pillars of an SMS model are; 0 Policy, Protection and Security, Safety Assurance, Safety Promotion 0 Policy, Risk Management, Operations, Quality Assurance 0 Policy, Risk Management, Safety Assurance, Safety Promotion 0 Policy, Protection and Security, Operations, Safety Promotion