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 the first sample revealed two defectives. What should be done?

A) Reject the entire lot.
B) Take a second sampling of 100 units.
C) Accept the entire lot.
D) Repeat the tests on the first sample.