Operations Notes – Little’s Law


Notes from core MBA Operations class, these focused on Little's law.
Subject: Operations

When using an inventory buildup diagram,

To find λ look graphically:

λ = (30 · 6)/45 = 4

To find μ is the same, look at the capacity diagram:

μ = (5 · 36)/45 = 4 tons/hr

μ = (20 + 24 + 30)/10 = 7.4 tons/hr

Average Inventory = area of Inv Buildup Diagram = Lq
                                   Length of time

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