During registration at Tech every quarter, students in the Department of Management must have their courses approved by the departmental advisor. It takes the advisor an average of five minutes...

During registration at Tech every quarter, students in the
Department of Management must have their courses
approved by the departmental advisor. It takes the advisor
an average of five minutes (exponentially distributed) to
approve each schedule, and students arrive at the adviser’s

office at the rate of 10 per hour (Poisson distributed). Com-
pute L, Lq, W, Wq, and . What do you think about this

system? How would you change it?