National Welding Uses Industrial Robots in Some of Its Assembly-Line

question 152

Multiple Choice

National Welding uses industrial robots in some of its assembly-line operations. Management has determined that, on average, a robot breaks down after 1,000 hours of use and that the lengths of time between breakdowns are exponentially distributed.
A. What is the probability that a robot selected at random will break down between 300 and 800 hours of use?
Round your answer to two decimal places.
B. What is the probability that a robot will break down after 1,200 hours of use?
Round your answer to two decimal places.

• A) a. 0.29, b. 0.3
• B) a. 0.61, b. 0.13
• C) a. 0.76, b. 0.44
• D) a. 0.26, b. 0.61

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Definitions:

Uses of Cash

The various ways in which a company or individual allocates cash resources, including operating expenses, investments, and financing activities.

Fixed Assets

Durable physical assets utilized in the running of a company, which aren't anticipated to be expended or turned into cash within one year.

Notes Payable

Financial obligations represented by promissory notes, which require the payer to repay the debt within a specified timeframe.

Asset Utilization Ratio

A metric that measures how efficiently a firm uses its assets to generate sales or revenue.