Hard A technical report says a prototype achieved 95% efficiency in a single controlled test. Which conclusion is safest? AIt proves commercial reliability over decades BIt removes the need for independent testing CIt means 5% of all devices will fail DIt will achieve 95% in every real installation EThe result applies to the reported test conditions; broader performance needs more evidence Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report