Daily Demand for a Product Is Normally Distributed with a Mean

question 97

Essay

Daily demand for a product is normally distributed with a mean of 200 units and a standard deviation of 20 units.The firm currently uses a reorder point system,with a lead time of 4 days.
(a)What safety stock provides a 50% service level?
(b)What safety stock provides a 90% service level?
(c)What safety stock provides a 99% service level?

---

Definitions:

Income from Operations

The earnings of a business from its core operations, excluding revenue and expenses from non-operational activities like investment gains or losses.

Indirect Expense

Costs not directly linked to the production of goods or services, such as administrative expenses.

Insurance on Merchandise Inventory

A protection coverage for businesses against loss or damage to their stock of goods.

Service Department Charges

Costs allocated to the various service departments within an organization, typically for internal accounting purposes.