Question: Question 19 (0.5 points) A multiple server (channel) system has customers arriving at an average rate of 4 per hour and an average service rate

Question 19 (0.5 points) A multiple server (channel) system has customers arriving at an average rate of 4 per hour and an average service rate of 1.5 per hour per server. What is the minimum number of servers required for this system to be feasible/sustainable? 3 servers S servers 2 servers 4 servers Question 20 (0.5 points) A system has one service facility that can service on the average 14 customers per hour. The customers arrive at a variable rate, which averages 10 per hour. Waiting line will not occur since service rate is bigger than arrival rate. Waiting line will not occur since utilization ratio is less than 1. Waiting line may occur since customer arrival rate and service rate are variable. Since there is excess capacity, no waiting lines will form

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