In an M/M/1 queueing system, the arrival rate is 3 customers per hour and the service rate is 5 customers per hour. If the service process is automated (resulting in no variation in service times but the same service rate), what will be the resulting performance measurements? (Round your answers to 3 decimal places.)

What is the utilization? The answer is got was 0.600 which is correct

What is the expected number of customers in the system (L)? The answer i got was 1.5 is wrong

What is the expected waiting time (in hours) for the system (W)?

What is the expected number of customers in the queue(Lq)?

What is the expected waiting time (in hours) in the queue(Wq)?