Weekly Demand for a Particular Item Averages 30 Units, with a Standard

question 108

Multiple Choice

Weekly demand for a particular item averages 30 units, with a standard deviation of 4. This item is managed with a fixed-order-interval model. The order interval is three weeks, and this item has a certain lead time of one week. The desired service level is 97.5 percent. Assume that it is now time to place another order, and there are 43 units on hand. How many units should be ordered?

• A)120
• B)93
• C)136
• D)46
• E)84

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Definitions:

High-Intensity Bulbs

High-intensity bulbs are light bulbs designed to produce a very bright light output, widely used in areas requiring significant illumination.

MTBF

Mean Time Between Failures, a reliability metric for products and systems that estimates the average time between operational failures.

System Reliability

The probability of a system or component performing its required functions under stated conditions for a specified period of time.

Parallel Components

Components that are designed to work alongside each other within a system, often to increase redundancy and reliability.