It Is Assumed That the Time Failures for an Electronic

question 14

Multiple Choice

It is assumed that the time failures for an electronic component are exponentially distributed with a mean of 50 hours between consecutive failures. If one extra component is installed as a backup, what is the probability of at least one of the two components working for at least 60 hours?

• A) About 0.51
• B) About 0.09
• C) About 0.06
• D) About 0.70

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Definitions:

Present Value

The present value of an amount of money or series of cash flows expected in the future, calculated using a particular interest rate.

Future Cash Flows

are the estimated amounts of money expected to be received or paid out by a business over future periods as a result of its operational activities.

AASB 136

The Australian Accounting Standards Board standard concerning the impairment of assets, requiring entities to ensure that asset carrying values are not more than their recoverable amounts.

Value In Use

The current worth of the anticipated future cash flows from an asset or a unit that generates cash.