When acceptance number of a single sampling plan under attribute category is zero with sample size less than or equal to 10, the Operating Characteristic (OC) curve is
A. A horizontal line
B. A vertical line
C. A convex function
D. An inverted S-shaped curve
Answer:C
When acceptance number of a single sampling plan under attribute category is zero with sample size less than or equal to 10, the Operating Characteristic (OC) curve is
A. A horizontal line B. A vertical line C. A convex function D. An inverted S-shaped curve