As VP for operations at Brian Normoyle Engineering, you must decide which product design, A or B, has the higher reliability. B is designed with backup units for components R3 and R4 What is the reliability of each design?
Design A
R1 R2 R3 R4
.099 0.95 0.998 0.995
Design B
R1 R2 R3 R4
.099 .095 0.985 .099
0.95 0.99
The overall reliability of the system provided in Design A?
The Overall Reliability of the System Provided in Design B?