A manufacturer would like to improve the reliability of their product, which consists of 4 components in series. The reliability of each component is provided in the diagram. They have come up with three alternative designs for their product, as described below. 1) Add two backups components to component 2 2) Add two backup components to component 1 and one backup component to component 3 3) Add one backup component to component 1 and one backup component to component 2 A manufacturer would like to improve the reliability of their product, which consists of 4 components in series. The reliability of each component is provided in the diagram. They have come up with three alternative designs for their product, as described below. 1) Add two backups components to component 2 2) Add two backup components to component 1 and one backup component to component 3 3) Add one backup component to component 1 and one backup component to component 2