Six Sigma Black Belt Certified Practice Exam 2026 – The All-in-One Guide to Master Your Certification!

Question: 1 / 400

Given Severity = 9, Occurrence = 2, and Detection = 1, what is the Risk Priority Number (RPN) in FMEA?

4

6

12

18

The Risk Priority Number (RPN) in Failure Modes and Effects Analysis (FMEA) is calculated by multiplying three key factors: Severity, Occurrence, and Detection. Each of these factors is rated on a scale, typically from 1 to 10, where higher numbers indicate greater risk.

In this scenario, the values provided are:

- Severity = 9

- Occurrence = 2

- Detection = 1

To calculate the RPN, you simply multiply these numbers together:

RPN = Severity × Occurrence × Detection

RPN = 9 × 2 × 1

RPN = 18

Thus, the calculated RPN is 18, which signifies the level of risk associated with a particular failure mode, considering how severe it is, how likely it is to happen, and how easily it can be detected when it occurs. A higher RPN indicates a higher priority for addressing potential failures in order to improve quality and reliability.

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