Which of the following statements on acceptance sampling is true?
◦ The steeper an operating characteristic curve, the better its ability to discriminate between good and bad lots.
◦ The sampling plan contains information about the sample size to be drawn and the critical acceptance or rejection numbers for that sample size.
◦ Acceptance sampling draws samples from a population of items, tests the sample, and accepts the entire population if the sample is good enough, and rejects it if the sample is poor enough.
◦ All of the above are true.
◦ All of the above are false.