You are the director of the customer service center in Company Alpha. You find that the mean time between calls to the center is 6 minutes with standard deviation of 4 minutes. The effective response time is 11 minutes with a standard deviation of 20 minutes. (a) Identify the following parameters: to. (b) Suppose the customer call center has 2 servers who answer calls. Find the following metrics: U: cd: (c) Assume that 100% of answered calls are then recorded and immediately monitored for the quality purposes. What is the arrival variability at the Quality Office? Why