You are the manager of a local bank where three tellers provide services to customers. On average, each teller takes three minutes to serve a customer. Customers arrive, on average, at a rate of 50 per hour. Having recently received complaints from some customers that they waited a long time before being served, your boss asks you to evaluate the service system. Specifically, you must provide answers to the following questions:
a. What is the average utilization of the three-teller services system?
b. What is the probability that no customers are being served by a teller or are waiting in line?
c. What is the average number of customers waiting in line?
d. On average, how long does a customer wait in line before being served?
e. On average, how many customers would be at a teller's station and in line?
The solution shows the step-by-step solution to waiting line problems. The solution is compiled in the attached document.
Networking: Protocols and Access Methods
1. As the network administrator for a growing firm, you want to design your network to run efficiently now and in the future. You plan to implement a server based Windows Server 2003 network. Although you currently support only 20 users on one floor of one building, management is rumoured to be planning an acquisition that would effectively double your company's network size. Highlight your current and future requirements, and choose the protocols and channel access method best suited to this situation. Then, explain why you chose those protocols and access methods.
2. A local bank just hired you to completely redesign its network. Money is no object, but its database transactions are time-critical, and PCs throughout the bank must be able to access the databases, which are on UNIX systems. Choose the best protocols and channel access method for this situation.View Full Posting Details