please give explanatory answers

Q7. (20pts) Mo is a systems analyst who is gathering requirements for an application which will record details of the training undertaken by fire-fighters in the client fire brigade. Details of the training units successfully completed by fire-fighters are to be input to the application by trainers who are themselves senior and active fire-fighters. Mo needs to interview a trainer to obtain his/her requirements. Because of the senior fire-fighters' other duties the interview has to be arranged two wecks in advance. There is then a 20% chance of the fire-fighter being unable to attend the interview because of an emergency call-out. Each week that the project is delayed costs the fire brigade approximately 1000. a. (10 pts) Provide an estimate of the risk exposure (as a financial value) for the risk that the senior fire-fighter might not be able to attend at the times needed. b. (10pts) Suggest possible risk mitigation actions