Question

Increasing failure rate and decreasing failure rate

Answer 1

Internal and external failure costs

Internal failure costs are costs associated with defects found before the customer receives the product or service. External failure costs are costs associated with defects found after the customer receives the product or service. ... Prevention costs are costs incurred to keep failure and appraisal costs to a minimum.

Answer 2

Answer:

Failure rate is the frequency with which an engineered system or component fails, expressed in failures per unit of time. It is usually denoted by the Greek letter λ and is often used in reliability engineering.

Increasing failure rate is an intuitive concept caused by components wearing out. Decreasing failure rate describes a system which improves with age.

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