A customer goes to a coffee shop, waits in the queue and places his order.
Entry:
The Cycle Time is 1.5 mins/customer
The Throughput is 0.66 customers/min
The Capacity is 40 customers/hr
Order Taking:
The Cycle Time is 1.8 mins/customer
The Throughput is 0.55 customers/min
The Capacity is 33 customers/hr
Using Little’s Law, please explain with steps, how to determine the number of people in the queue (buffer) and the time they spend in the queue.
Solution
Since arrival is 0.66 customers/min (since throughput of entry is 0.66 customers/min)
and