70% Backups 70% 80% A 90% B (Round the percentage to the nearest four decimal places) a. What is the reliability of the system above? System reliability = % If the system fails, it will cost the firm $2000. (Round the cost to the nearest cent) b. What is the expected failure cost? The expected failure cost = $ (Round the percentage to the nearest four decimal places) c. A backup can be installed that costs $100. What is the minimum allowable reliability for the backup that would make installing it worthwhile? The minimum allowable reliabilit= %