Random samples of lots of textbooks are inspected for defective books just prior to shipment to the

Question:

Random samples of lots of textbooks are inspected for defective books just prior to shipment to the warehouse. Each lot contains 3,000 books.
a. On a single graph, construct OC curves for n = 100 and (1) c = 0, (2) c = 1, and (3) c = 2.
b. On a single graph, construct OC curves for c = 2 and (1) n = 5, (2) n = 20, and (3) n = 120.