Over the last year, 1,200 injections were administered at a clinic. Quality is measured by the proper

Question:

Over the last year, 1,200 injections were administered at a clinic. Quality is measured by the proper amount of dosage as well as the correct drug. In nine instances, the incorrect amount was given, and in two cases, the wrong drug was given. What is the epmo metric and what sigma level does it correspond to?