Question: 17.60 Constructing the p chart limits for prescription errors. A regional chain of retail pharmacies finds that about 2% of prescriptions it receives from doctors

17.60 Constructing the p chart limits for prescription errors. A regional chain of retail pharmacies finds that about 2% of prescriptions it receives from doctors result in prescriptions errors. These errors include filling the order with the wrong dosage, failing to recognize a harmful drug combination, and not warning the patient of serious side effects. The chain puts in place an online checklist system that it hopes result in fewer prescription errors. A p chart will monitor progress. Use information about past prescriptions to set initial center line and control limits for the proportion of rescription errors on a day when the chain fills 90,000 prescriptions. What are the center line and control limits for a day when only 45,000 prescriptions are filled?

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