Items are submitted for inspection in lots of size 12000 using ANSI/ASQC Z1.4. The acceptable quality level is 4% nonconforming. General inspection level II and a single sampling plan are used. Normal inspection is initiated at the start of the inspection of lot. The inspection results for 12 consecutive lots are as follows: 1 Nonconforming 9 Lot items 2 3 4 5 6 23 12 22 11 5 7 9 8 18 9 6 10 11 12 19 25 24 a) Use the switching rules listed in the lecture notes to determine the sampling plans and the types of inspection used for lots 8, 11 and 12. State the type of inspection that will be used for lot 13? b) Draw the OC curve for the single sampling plan that will be used for lot 13.