1. The only reasonable way to reduce the price proposal is convincing the seller through data analysis. However, at times it is reasonable to ask for price reductions without a price cost analysis. Is this a true statement? Explain
2. At the bank teller's window, arrivals and service times are randomly distributed (Poisson and exponential distributions, respectively). There is only one teller at the window. If the arrival rate is 8 customers per hour, and the service rate is 13 customers per hour, what is the average length of queue in front of the teller? (It is a single channel, single server, single phase, unlimited waiting space model)