ASQ
CRE · Question #336
A component has a strength of 8000 psi and a standard deviation of 1200 psi. It needs to withstand a load with a mean value of 5000 psi and a standard deviation of 500 psi. Both strength and load…
The correct answer is B. 0.0104. See the full explanation below for the reasoning.
Reliability in Design and Development
Question
A component has a strength of 8000 psi and a standard deviation of 1200 psi. It needs to withstand a load with a mean value of 5000 psi and a standard deviation of 500 psi. Both strength and load are normally distributed. What is the probability of failure for the component?
Options
- A0.0174
- B0.0104
- C0.0059
- D0.0014
How the community answered
(31 responses)- A6% (2)
- B71% (22)
- C19% (6)
- D3% (1)
Topics
#stress-strength interference#probability of failure#normal distribution#design reliability
Community Discussion
No community discussion yet for this question.