dditional Algo $14-9$ Choosing $an$ Order$-Up-To$ Level $-$ Normal Demand

Demand each period for a product $is$ normally distributed $(mean=905,$ standard deviation $=205).$ The lead time $is4$ periods.

What $is$ the minimum order$-up-to$ level $to$ ensure $anin-$stock probability $of0\mathrm{.}92?$

Note: Round your answer $to$ the nearest whole number.