PNC Bank agency receives in average 20 customers per hour. Due to the current capacity, this agency has an average service time of 30 minutes every hour. The manager would like you to perform the following analysis.

What is the probability of finding a busy system?

Expected number of customers in the system

Expected number of customers waiting in the system

What is the probability of finding a busy system?

Expected number of customers in the system

Expected number of customers waiting in the system