Homework Answers
a. Probability of system = R1*R2 = 0.71*0.71 = 0.5041 , (where R1 and R2 is the reliability of component 1 and 2 resp)
b. Probability of each component = 1 - probability that the component and back will fail simultaneously
= 1 - (1-0.71)^2 = 0.9159
Probability of system = 0.9159*0.9159 = 0.8389
c. Probability of each component with switch = 0.9159*0.96 = 0.8793
Probability of system = 0.8793*0.8793 = 0.7731
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