A priority waiting system assigns arriving customers to one of four classes. Arrival rates (Poisson) of the classes are shown in the following table: Use Table 18.4. Five servers process the customers, and each can handle 6 customers per hour. a. What is the system utilization? (Round your answer to 2 decimal places.) What is the average wait for service by customers in the various classes? How many are waiting in each class, on average? (Round our answers to 3 decimal places.) If the arrival rate of the second priority class could be reduced to 6 units per hour by shifting some arrivals into the third priority lass, how would your answers to part b change? (Round your answers to 3 decimal places.) CABLE 18.4 Infinite-source values for L and Po given N/ and M