Gotham City is trying to determine how many ambulances it should have and how to staff them. Each ambulance may be staffed with paramedics or emergency medica! technicians. Paramedics are considered to provide better service and are paid higher salaries. Budgetary limitations have forced the city to choose between the following two alhernatives:
Alvernative 1 Four ambulances, two staffed with emergency medical technicians and two staffed with paramedics
Alienative 2 Three ambulances all staffed with paramedics
The city authorities believe that the following two attributes deternine the city’s satisfaction with ambulances service:
Atribute 1 Time until an ambulance reaches a patient
Atribate 2 Percentage of ambulance calls handled by paramodics.
Assume that Gotham City’s maltiattribute utility function a(xu,x) echibits mai and that,v3=k1(15) (1-k1)(8,5-5)w1(x1)=1-x1900 and x2(x2)-x110,000The time for an ambulance to reach a patient is always between 0 and 30 minutes. The city authorities are indifferent between
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