Consider the following items to be stored in a unit load (pallet) storage area, stacked 1-high. Determine the number of pallet locations required for dedicated, randomized, and class-based storage for a 90%

and then 95% service level. Assume that for class-based, there are three classes (A = {I1, I2}, B = {I3}, C = {I4, I5, I6}). Daily storage requirements provided in the following table are normally distributed.

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Item 11 12 13 14 15 16 Mean 300 400 800 250 400 300 Standard Deviation 50 120 300 100 120 145