ASQ
CSSBB · Question #209
A random sample of 2500 printed brochures is found to have a total of three ink splotches. The rate of ink splotches in PPM is:
The correct answer is C. 3 ÷ 2500 × 1,000,000. See the full explanation below for the reasoning.
Measure Phase
Question
A random sample of 2500 printed brochures is found to have a total of three ink splotches. The rate of ink splotches in PPM is:
Options
- A1,000,000 ÷ 2500 × 3
- B2500 ÷ 1,000,000 × 3
- C3 ÷ 2500 × 1,000,000
- D3 × 2500 ÷ 1,000,000
How the community answered
(29 responses)- A3% (1)
- B10% (3)
- C83% (24)
- D3% (1)
Topics
#PPM calculation#defect rate#sampling#measurement
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