From past experience a television manufacturer found that 15% or less of its sets needed any type of repair in the first two years of operation. In a sample of 60 sets manufactured two years ago, 10...

From past experience a television manufacturer found that 15% or less of its sets needed any type of repair in the first two years of operation. In a sample of 60 sets manufactured two years ago, 10 needed a repair. Test the original claim at 3% SL. Apply one-sided test, give a complete calculation. Finally interpret the conclusion in terms of the example.