What Is the Useful Life in Hours for a Product

question 7

Multiple Choice

What is the useful life in hours for a product having a reliability of 0.985 and a failure rate of 0.015 failures per hour?

• A) 120
• B) 200
• C) 280
• D) 360
• E) 440

---

Definitions:

Psychological Disturbances

Any type of dysfunction related to an individual's emotions, thoughts, or behaviors which causes distress in their daily lives.

Psychological Therapy

A broad term for treatments aimed at improving mental health and emotional wellbeing through various techniques.

Essential Features

The core characteristics or criteria that define a disease, disorder, or condition, critical for accurate diagnosis.

Daily Routines

The usual sequence of activities or habits that an individual follows every day.