The average proportion non-conforming of 20 samples each of size 100 items is 0.12

The average proportion non-conforming of 20 samples each of size 100 items is 0.12

Q. The average proportion non-conforming of 20 samples each of size 100 items is 0.12. The upper control limit for the relevant chart is ____(round off to 2 decimal places)

Ans: 0.21 – 0.23

Sol:

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