A Double-Sampling Plan Has N₁ = 50, N₂ = 100

Multiple Choice

A double-sampling plan has n₁ = 50, n₂ = 100, c₁ = 2, and c₂ = 4. Suppose on the first sample, one defective item was discovered. What should be done?

A) Reject the entire lot.
B) Take a second sample of 100 units.
C) Accept the entire lot.
D) Repair the defective units, and accept the entire lot.