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Consider the seven-component system shown in given Figure. The reliabilities of the components are as follows: R_A = 0.96, R_B= 0.92, R_C=0.94, R_D = 0.89, R_E = 0.95, R_F=0.88, R_G =0.90.

Find the reliability of the system. If you had a choice of improving system reliability by modifying any two components, how would you proceed?

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