Answer to Question #75032 in Statistics and Probability for Karel

Question

The manufacturer of the ColorSmart-5000 television set claims 95 percent of its sets last at least five years without needing a single repair. In order to test this claim, a consumer group randomly selects 424 consumers who have owned a ColorSmart-5000 television set for five years. Of these 424 consumers, 326 say their ColorSmart-5000 television sets did not need a repair, whereas 98 say their ColorSmart-5000 television sets did need at least one repair.