Jennings Assembly in Hartford, Connecticut, Uses a Component Supplied by a Company

question 32

Multiple Choice

Jennings Assembly in Hartford, Connecticut, uses a component supplied by a company in Brazil. The component is expensive to carry in inventory and consequently is not always available in stock when requested. Furthermore, shipping schedules are such that the lead time for transportation of the component is not a constant. Using historical records, the manufacturing firm has developed the following probability distribution for the product's lead time. The distribution is shown here, where the random variable is the number of days between the placement of the replenishment order and the receipt of the item. What is the average lead time for the component?

• A) 2.375
• B) 2.875
• C) 3.275
• D) 3.375

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Definitions:

Porosity

The measure of void spaces in a material, expressed as a percentage of the volume of voids over the total volume, indicating how much fluid a rock can hold.

Groundwater Flowing

The movement of water beneath the Earth's surface through soil and rock formations.

Subsurface Material

Material (such as rocks, soil, and sediment) found beneath the surface layer of the Earth, important in geotechnical engineering and environmental studies.

Permeability

A measure of how easily fluids can flow through a porous rock or material.