1. Midtown Bank always has two tellers on duty. Customers arrive to receive service from a teller at

1. Midtown Bank always has two tellers on once. Customers enter to accept employment from a teller at a mean objurgate of 40 per hour. A teller requires an middle of 2 tinys to attend a customer. When twain tellers are occupied, an arriving customer joins a unique sequence to hold for employment. Experience has shown that customers hold in sequence an middle of 1 tiny antecedently employment begins. (a) Describe why this is a queueing arrangement. (b) Determine the basic measures of deed—Wq, W, Lq, and L—for this queueing arrangement. (Hint: We don’t comprehend the likelihood distributions of interarrival times and employment times for this queueing arrangement, so you will need to use the relationships betwixt these measures of deed to help answer the investigation.)