ASQ Certified Quality Engineer (CQE) — Question 9

What is the probability of an item failing in less than 5 hours if it has a constant failure rate of 1/hour?

Answer options

• A. 0.00674
• B. 0.99127
• C. 0.99326
• D. 0.99642

Correct answer: C

Explanation

The correct answer is C, 0.99326, which reflects the cumulative probability of failure within the specified time frame based on a constant failure rate. The other options represent different probability values that do not align with the calculations for this scenario.