Under the binomial model, lot acceptance requires zero sample defects: $P_a=(1-p)^n$. Its second derivative is $n(n-1)(1-p)^{n-2}\ge0$, so the curve is convex, **C**. For n = 1 it is linear, which is also convex.
More Quality Management questions
GATE 2021 PI Q36– Four independent out-of-control rules are used simultaneously. Their Type-I error…
GATE 2021 PI Q37– An in-control process has estimated standard deviation 2 mm and specifications 120 ± 8 mm.…
GATE 2026 PI Q49– For the ideal OC curve shown, p₀ is acceptable quality level (AQL) and p₁ is lot tolerance…
GATE 2025 PI Q34– Fifteen gearbox features are critical to quality. Of 40000 gearboxes produced last…
GATE 2025 PI Q62– A broach produces key slots of mean size 10.56 mm and standard deviation 0.05 mm. For…
GATE 2024 PI Q44– For an acceptance-sampling plan, which ONE OR MORE statements are true?