Written Assignment 4
1. Why do Six Sigma Practitioners use failure modes and effects analysis?
2. Describe the three types of FMEAs. Give an example where each could be used.
3. Describe the steps involved in creating an FMEA.
4. Design FMEA has been applied to a new ignition switch for a company’s line of riding lawn mowers. It has been concluded that failure severity (S) is 4, probability of occurrence (O) is 6, probability of detection (D) is 8.
a. What is the Risk Priority Number (RPN)?
b. Is that better or worse than the RPN of 144 for the old switch?
