Which of the following statements is TRUE?
◦ With a sequential-sampling plan, sampling continues until the lot is rejected.
◦ Sequential-sampling plans are preferred to single-sampling plans because the average number of items inspected is generally lower.
◦ With a sequential-sampling plan, each time an item is inspected, a decision is made to accept or reject a lot.
◦ Sequential-sampling plans are defined by four parameters: n1, n2, c1, c2.