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Please help me in assessing the following scenario. I have a cooling circuit arranged in series: (1) Heat exchanger (probability = 10^(-4)/requirement), (2) Pump (probability = 10^(-3)/requirement), (3) Heat exchanger (probability = 10^(-3)/requirement) and connection of pipes (probability = 10^(-4)/requirement) (name the pipes as 4th component). In addition there is 5th component supplying energy to the pump (probability = 10^(-3)/requirement).

What is the probability that the cooling circuit corresponding to the scenario arranged above fails?

Thank you in advance

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# Probability assessment

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