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What is the reliability of the security system

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Reference no: EM133483914

Question

A company has a security system made up of three parts called A, B and C

The probability that A fails is 2%
The probability that B fails is 4%
The probability that C fails is 10%
The system is set up so that if A fails, B starts, and if both A and B fail, C starts.

1. What is the reliability of the security system?

2. What is the probability that all parts of the system work?

Reference no: EM133483914

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