Point A ¼ mean þ standard deviation
¼ 30 þ 0:1 Â 9 ¼ 30:9 % 31 boxes:
Thus the vegetable trader should stock 31 boxes.
Reference
Tersine, R. S. (1975). A scientific determination of single-order quantities. Journal of Purchasing
and Materials Management, 17(3), 25–30.
Reference
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