Customers arrive at a bank with 2 tellers. The manager took the following data for 11 customers during a busy time.
The manager has asked you to:
(a) Create an event log.
(b) Calculate the average time customers spend in the bank.
(c) Calculate the average time customers wait in line.
(d) Calculate the average number in queue.
(e) Calculate the percentage of time each server is busy.
(f ) Calculate the percentage of time both servers are busy.