i need a step by step answer please :)

Given the Figure below, represents a single server queue. That is a G/G/1/N/K queuing system with (N3,K3). Answer the next three questions 4) The average number of customers in the system. A. 10.0 B 5.0 C. 0.5 D. 1.4 E. 2.0 5) The average number of customers in the Queue A. 3,0 B. 5.0 C. 1.4 D. 0.5 E. 1.0 Given the Figure below, represents a single server queue. That is a G/G/1/N/K queuing system with (N3,K3). Answer the next three questions 4) The average number of customers in the system. A. 10.0 B 5.0 C. 0.5 D. 1.4 E. 2.0 5) The average number of customers in the Queue A. 3,0 B. 5.0 C. 1.4 D. 0.5 E. 1.0