Question: Question 2 (20 marks) Figure Q2 shows the reliability block diagram of a home security system. The system consists of series, parallel and backup components.

Question 2 (20 marks) Figure Q2 shows the

Question 2 (20 marks) Figure Q2 shows the reliability block diagram of a home security system. The system consists of series, parallel and backup components. The texts in the blocks are reliability values of these components. Sensors 0.5 Power source 0.7 CPU Keyboard Siren 0.5 0.85 0.90 0.8 0.8 (a) Battery 0.5 Figure Q2 - Reliability block diagram of a home security system Determine the reliability of the system. Note that the system has six components: power source, battery, sensors, CPU, keyboard, and siren. Choose one component, with justification, for improving the reliability of the system to 53% and determine the reliability of this component. (b)

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