Average waiting time for a customer in the system including average service time is given by the symbol:a.Wqb.Wsc.Pod.Ls

The average waiting time for a customer in a queuing system, which includes the average service time, is often denoted by notations derived from queuing theory. The symbols you've provided commonly relate to different components of the queuing system:

1. $W_q$: Average waiting time in the queue (before service starts).
2. $W_s$: Average service time.
3. $P_0$: The probability that there are no customers in the system.
4. $L_s$: Average number of customers in service.

In a typical scenario, the average total time spent in the system $W$ is represented as:

$W = W_q + W_s$

Summary of the Components:

• Average Waiting Time ($W$): This is the total time a customer spends in the queue plus the time spent in service.
• Average Queue Time ($W_q$): This represents how long customers wait before being served.
• Average Service Time ($W_s$): This includes the time taken to serve a customer.
• Probability of Zero Customer ($P_0$): Helps in understanding the system's state.
• Average Number in Service ($L_s$): Indicates how many customers are being served at any given time.

Based on the provided terms, it seems that you want an explanation of the components involved in calculating the average waiting time in a queuing model. This is fundamental to analyzing customer service processes in various domains, from hospitals to banks, helping to optimize service efficiency and customer satisfaction through effective management practices.