M$/$M$/$s Queueing Model Homework

Problem $2.$

ACME Toy Company provides adversarial equipment to the characters of Toonsville. The characters only have ACME as a resource to provide their equipment. To get their equipment, they often have to stand in line to receive service. They arrive every $10$ minutes. Meanwhile it takes $1$ hour to complete the service. ACME has $10$ servers. The standard measurement for time is one hour.

a$)$ What is the wait time in the System in minutes? $($Round to nearest tenth$)$

b$)$ What is the wait time in the Que? $($Round to nearest tenth$)$

c$)$ What is the utilization factor?

d$)$ What is the Probability of $4$ characters in the system? $($Round to nearest tenth$)$