Homework Answers
Question 4.23
Here the components operate independently of each other.
Here probability of each component operating seperately = 0.9
and there are four such components in parellal. Here in parellal system if all of the compnents fail then only the system will stop functioning.
So we first evaluate the probability of the system failing = Pr(Comp 1 Fail) * Pr(Comp 2 fail) * Pr(comp3 fail) * Pr(Comp 4 fail)
= 0.14 = 0.0001
Here probaability that system will work =1 - Pr(Sysem will fail) = 1 - 0.0001 = 0.9999
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