![The average proportion non-conforming of 20 samples each of size 100 items is 0.12](https://www.gkseries.com/blog/wp-content/uploads/2023/09/The-average-proportion-non-conforming-of-20-samples-each-of-size-100-items-is-0.12.jpg)
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:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-827.png)
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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