You gas tank is on fumes (again). The closest gas station only has one pump, but the price is $0.20 cheaper than any others. Yes, there is usually a line. Typically, you can expect there to be 6 cars in line any time you come here. Service time per car averages 75 seconds. SHOW ALL WORK! Remembering =,L=W=,W=1,Lq=L=L,Wq=W=W1,Pn=(1)n a. What is the utilization of the server? % b. What is the expected time between people arriving to this system? seconds c. What is the expected wait until service starts? seconds d. What is the probability of 3 or fewer people in line upon your arrival? %