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A Product Has Three Components X, Y, and Z

question 94

Essay

A product has three components X, Y, and Z. X has reliability of 0.991; Y has reliability of 0.993. If Z has reliability of 0.991, what is the reliability of the entire product?
Can Z be redesigned to be reliable enough for the entire product to have reliability of 0.99?
Explain.


Definitions:

Magnification

In cognitive psychology, a distortion involving exaggerating the importance or significance of events, often seen in anxiety and depression.

Minimization

A defense mechanism where the individual downplays the significance or impact of an event or emotion.

Contingency Contracting

A behavioral intervention technique involving a written agreement between a client and a counselor specifying a behavior to be changed and the consequences that follow as a result.

Token Economy

A behavioral modification system that uses tokens as a form of reinforcement for displaying desired behaviors, which can later be exchanged for various rewards.

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