Question: Please round your calculations to the nearest ten-thousandth) A customer service helpline takes calls each day. Each day, 1000 calls at random are selected to
Please round your calculations to the nearest ten-thousandth) A customer service helpline takes calls each day. Each day, 1000 calls at random are selected to see if the customer was satisfied with the result; these measurements are taken over the course of twelve days. The resulting percentages of customers not satisfied:
| Day | Percentage Error |
| 1 | 0.012 |
| 2 | 0.003 |
| 3 | 0.011 |
| 4 | 0.006 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.001 |
| 8 | 0.005 |
| 9 | 0.001 |
| 10 | 0.016 |
| 11 | 0.005 |
| 12 | 0.007 |
If we assume a z-value of z=3, what is the upper control limit of our p-chart?:
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