If the Mean Time Between Unscheduled Maintenance of LCD Displays

question 90

Multiple Choice

If the mean time between unscheduled maintenance of LCD displays in a hospital's CT scan facility is 4,000 operating hours, what is the probability of unscheduled maintenance in the next 5,000 hours?

• A).8000
• B).7135
• C).2865
• D).5000

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Definitions:

Accurate To The Cent

Refers to financial or accounting figures that are exact to the smallest unit of currency, usually to a cent.

Ordinary General Annuity

A series of equal payments made at regular intervals over a specified period of time, with the payment intervals occurring at the end of each period.

Future Value

The value of an investment at a specified date in the future, considering various factors like interest rates and compounding periods.

Conditional Sale Contract

A contract for the sale of goods where the payment of the price, or part of it, is deferred and the full ownership of the goods does not transfer until certain conditions, typically the full payment, are met.