National Welding Company Uses Industrial Robots in Some of Its

question 60

Multiple Choice

National Welding Company uses industrial robots in some of its assembly-line operations. Management has determined that the lengths of time in hours between breakdowns are exponentially distributed with probability density function . ​
What is the probability that a robot selected at random will break down between 400 and 500 hr of use? Round your answer to the nearest hundredth.
​

• A) 0.06
• B) ​0.30
• C) ​0.15
• D) ​0.79
• E) ​0.51

---

Definitions:

Mindfulness

A mental state achieved by focusing one's awareness on the present moment, often used as a therapeutic technique.

Mentally Present

The state of being fully conscious, aware, and focused on the here and now, often emphasized in mindfulness practices.

Decision Making

The cognitive process of choosing a course of action from among multiple alternatives.

Heuristics

Mental shortcuts or rules of thumb that simplify decision making, often utilized when facing complex problems or incomplete information.