A manufacturer of MP3 players conducts a set of comprehensive tests on the electrical functions of its product. All MP3 players must pass all tests prior to being sold. Of a random sample of 1000 MP3...

Extracted text: A manufacturer of MP3 players conducts a set of comprehensive tests on the electrical functions of its product. All MP3 players must pass all tests prior to being sold. Of a random sample of 1000 MP3 players, 30 failed one or more tests. Find a 99% confidence interval for the proportion of MP3 players from the population that pass all tests.