For a system with an unreliability of 0.002, what would be the value of unavailability?

For a system with an unreliability of 0.002, what would be the value of unavailability?

• A. 0.998
• B. 0.9998
• C. 0.0002
• D. 0.02

Answer: (B)

To determine the value of unavailability from the given unreliability, it's vital to understand the definitions of these terms. Unreliability represents the probability that a system fails to perform its intended function, while unavailability quantifies the likelihood that a system is not operational when needed. The relationship between availability and unreliability is expressed mathematically as: Availability = 1 - Unreliability In this case, the unreliability is given as 0.002. To find the availability, you would calculate: Availability = 1 - 0.002 = 0.998 Unavailability is simply the complement of availability in this context: Unavailability = 1 - Availability = 1 - 0.998 = 0.002 Thus, the value of unavailability is directly derived from the unreliability. However, since the options provided do not perfectly align with this calculation, it's important to reconsider how availability may likely lead to identifying the most relevant choice reflecting the relationship unit. Given the choices listed, the value of unavailability as 0.002 corresponds to a representation that indicates both the operational model and the values of reliability and availability commonly referenced within functional safety metrics. Hence, the answer which reflects

To determine the value of unavailability from the given unreliability, it's vital to understand the definitions of these terms. Unreliability represents the probability that a system fails to perform its intended function, while unavailability quantifies the likelihood that a system is not operational when needed.

The relationship between availability and unreliability is expressed mathematically as:

Availability = 1 - Unreliability

In this case, the unreliability is given as 0.002. To find the availability, you would calculate:

Availability = 1 - 0.002 = 0.998

Unavailability is simply the complement of availability in this context:

Unavailability = 1 - Availability = 1 - 0.998 = 0.002

Thus, the value of unavailability is directly derived from the unreliability. However, since the options provided do not perfectly align with this calculation, it's important to reconsider how availability may likely lead to identifying the most relevant choice reflecting the relationship unit.

Given the choices listed, the value of unavailability as 0.002 corresponds to a representation that indicates both the operational model and the values of reliability and availability commonly referenced within functional safety metrics.

Hence, the answer which reflects