Article ID: | iaor20083561 |
Country: | Netherlands |
Volume: | 172 |
Issue: | 1 |
Start Page Number: | 201 |
End Page Number: | 212 |
Publication Date: | Jul 2006 |
Journal: | European Journal of Operational Research |
Authors: | Strijbosch L.W.G., Moors J.J.A. |
Keywords: | statistics: distributions, service |
To model demand, the normal distribution is by far the most popular; the disadvantage that it takes negative values is taken for granted. This paper proposes two modifications of the normal distribution, both taking non-negative values only. Safety factors and order-up-to-levels for the familiar (