What Is the Approximate Useful Life in Hours for a Product

question 15

Multiple Choice

What is the approximate useful life in hours for a product having a reliability of 0.9978 and a failure rate of 0.001 failures per hour?

• A) 6120
• B) 5600
• C) 5000
• D) 4400
• E) 3800

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Definitions:

Security Returns

Represents the profit or loss generated on an investment over a particular period of time.

Economic Forces

Factors such as inflation, interest rates, economic growth, and policies that influence the operation of the economy and impact businesses and investments.

Index Model

A financial model that describes the market or a segment of the market, typically used to predict the return or price of assets in comparison to the market as a whole.

Standard Deviation

A statistical measure of the dispersion or spread of a set of values, used in finance to gauge the volatility of an investment.