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il63 [147K]
3 years ago
13

A system has two components: A and B. The operating times until failure of the two components are independent and exponentially

distributed random variables with parameter 2 for component A, and parameter 3 for component B. The system fails at the first component failure.
(a) - Read section 1.5.2 in the textbook.
(b) - What is the mean time to failure for component A and for component B
Mathematics
1 answer:
LuckyWell [14K]3 years ago
4 0

Answer:

E(x) = \frac{1}{2} -- Component A

E(x) = \frac{1}{3} -- Component B

Step-by-step explanation:

Given

Distribution = Exponential

\lambda = 2 --- Component A

\lambda = 3 --- Component B

Solving (a): The mean time of A

The mean of an exponential distribution is:

E(x) = \frac{1}{\lambda}

We have:

\lambda = 2 --- Component A

E(x) = \frac{1}{2}

Solving (b): The mean time of B

The mean of an exponential distribution is:

E(x) = \frac{1}{\lambda}

We have:

\lambda = 3 --- Component B

E(x) = \frac{1}{3}

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