please give all the details possible about the process

Assume that the city of Mayagez has two ambulances; one of them is located at the RUM and the other at the Medical Center. If there is an emergency in the RUM that requires the service of an ambulance, the school ambulance is sent if available; if this ambulance is not available, the one from the Medical Center is sent. If there is an emergency outside the RUM that requires the service of an ambulance, the ambulance from the Medical Center is sent; if this ambulance is not available, the one from the College is sent. Regardless of the origin of the call, if neither ambulance is available, the emergency is not attended by either of these two ambulances. Also presume that the times between emergency calls are exponentially distributed and that, on average, one call is received every three hours from the RUM and three calls per hour from the rest of the city of Mayagez. The time it takes for an ambulance to respond to an emergency call and be ready to answer another call is exponentially distributed with an average of 30 minutes. Draw the diagram of transition rates for this queue system. Pose and solve the system of equations needed to calculate steady-state probabilities. Submit a summary of your calculations - you can use MatLab or Excel to perform them. Explicitly write the values of the probabilities in steady-state What is the probability that an emergency will not be attended by either of these two ambulances? What is the utilization of the ambulances? What is the utilization of the ambulance located in the RUM