A Garage Door Opener Has Three Sections,which Have Reliabilities of .9,.8,and

question 19

Multiple Choice

A garage door opener has three sections,which have reliabilities of .9,.8,and .9.The lowest of these has an identical backup which automatically goes on if the original fails.All three parts must operate to perform its intended function.The system reliability is closest to:

• A).40
• B).50
• C).60
• D).70
• E).80

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Definitions:

Project Management

The utilization of techniques, abilities, expertise, and experience to meet particular project goals according to the project acceptance standards within established boundaries.

Variable Costs

Expenses that change in proportion to the activity of a business, such as costs for raw materials or production.

Fixed Costs

Costs that do not vary with the level of output or production, such as rent, salaries, and insurance premiums.

Sales Volume

The total quantity of products or services sold by a company within a specific period, often used as a measure of business activity.