Relay 1 Relay 2 Relay 3 Relay 4 Cost per hour to replace a relay Cost per new relay Time to Shutdown and Replace (hrs) Number of new relays to replace Time to First Failure Time to the Conclusion of the Shutdown Total Cost Cost per Hour Mean Cost per Hour Time to Failure (hours) $1,000 $200 2 4 Type of Distribution Min Max Uniform 1,000 2,000 Uniform 1,000 2,000 Uniform 1,000 2,000 Uniform 1,000 2,000 Questions to Answer How does the average cost per hour of the compare with the current cost? Is the proposed solution better? By how much is it better/worse? What course of action to you recommend? .