In a perfect process with no variability, what is the required condition to have no waiting lines? a. Arrival rate must be less than capacity b. Output rate must be less than capacity C. Capacity must be less than arrival rate d. Output rate must be equal to capacity In a stable process, will the rate of product or customers out of the process (output rate) equal the rate into the process (arrival rate or the rate at which products are released to the process)? a. Yes b. No In a stable process, is the outputrate always equal to the capacity of the process? Yes a. b. No At the supermarket a checkout operator has on average 8 customers and a customer arrives every 3 minutes on average. How long must each customer wait in line on average? a. 26 minutes b. 22 minutes C. 20 minutes d. 24 minutes