DaShu is a retailer store that sells T-shirts to its customers. Suppose the customer demand in a month is normally distributed with a mean of 1000 units and standard deviation of 300 units. The DaShu wants to ensure the probability that it can satisfy all the demand is greater than 90%. What should be the minimum inventory level to achieve this goal (choose the closest number)? O 1250 O 1284 1387 O 1395 O 1495 Question 6 Back to the DaShu example in Question 5. If DaShu orders 1400 units of inventory, what is the probability that there will be some leftover inventory? What is the probability that there will be some lost sales? O P1 - 0.9082, P2-0.0918 P1-0.9425, P2-0.0475 P1- 0.9525, P2-0.0475 O P1 - 0.0918, P2-0.9082 O P1 - 0.9905, P2-0.0095
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- The lead time demand for bathing suits is governed bythe discrete random variable shown in Table 11. Thecompany sells an average of 10,400 suits per year. The costof placing an order for bathing suits is $30, and the cost ofholding one bathing suit in inventory for a year is $3. Thestockout cost is $3 per bathing suit. Use marginal analysisto determine the optimal order quantity and the reorderpoint.Lead TimeDemand Probability180 .30190 .30200 .15210 .10220 .15Change the ordering simulation so that emergencyorders are never made. If demand in any week isgreater than supply, the excess demand is simplylost. Simulate the same (s, S) policies as in theexample.Rocky Mountain Tire Centre sells 20,000 tires of a particular type per year. The ordering cost for each order is $40, and the holding cost is 20% of the purchase price of the tires per year. The purchase price is $20. per tire if fewer than 500 tires are ordered, $18. Per tire if more than 500 but fewer than 1,000 tires are ordered and $17. per tire if 1,000 or more tires are ordered. Quantity Unit Price 1-499 $20. 500-999 $18. 1000 & over $17 Based on available information, lead time demand for CD-ROM drives averages 50 units (normally distributed), with a standard deviation of 5 drives. Management wants a 97% service level. What value of Z should be applied? How many drives should be carried as safety stock?
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