Question: (d) The diagram below shows a system with FOUR (4) components connected in series between points A & B. (Assume the reliabilities of R1=0.94,R2=0.97, R3=0.99&R4=0.91)

(d) The diagram below shows a system with FOUR

(d) The diagram below shows a system with FOUR (4) components connected in series between points A \& B. (Assume the reliabilities of R1=0.94,R2=0.97, R3=0.99&R4=0.91) (i) Compute the current system reliability. (2 marks) (ii) Do you agree to add a fifth component to improve the system reliability? (1 mark) (iii) If the redundancy concept is applied to the TWO (2) least reliable components, compute the new system reliability. (4 marks) (iv) Comment on the change of reliability. (2 marks) [Note: Keep your answers for parts (i) \& (iii) to 3 decimal places] bile phone has "print or export to PDF" function that allows you to convert pictures to PDF document. ively, you can paste your photos into a Word document and print the document to PDF. You may use a if you have. Ir answer scripts using the prescribed file name format, ModuleCode_ XXX (where XXX is your full name as

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