6. An engineer examines a system. The engineer performs a test that is 95 percent of system that are defect test red and 99 percent of the fine system test green. The engineer knows that only 5 percent of the systems in his care are defect. (a) If the system tests red, what are the chances the system is defect? (b) If the system tests green, what are the chances the system is fine? (c) If the system tests red, what are the chances the system is fine