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Problem 20-13 periodic review system - similar to Alt-Cat 20.4* Dunstreets Department Store would like to develop an inventory ordering policy of a 90 percent probability of not stocking out. To illustrate your recommended procedure, use as an example the ordering policy for white percale sheets. Demand for white percale sheets is 3,400 per year. The store is open 365 days per year. Every two weeks (14 days) inventory is counted and a new order is placed. It takes 12 days for the sheets to be delivered. Standard deviation of demand for the sheets is five per day. There are currently 170 sheets on hand. How many sheets should you order? (Use Excels NORMSINV) function to find the correct critical value for the given a-level. Do not round intermediate calculations. Round z value to 2 decimal places and final answer to the nearest whole number.) Hint: if you dont know how to use NORMSINVO function to find the z-value for a given % level, watch the Hint video by clicking the Hint button on the left. Number of sheets

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Prebton 20a leolut ion source, tuel:90% NOR MSINvo 0 I2g da D- 3400 365 3 units/dag P 14 days LT= 12doi 3(14+12) 28114+12 x

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