Over the last year, 1,800 injections were administered at a clinic. Quality is measured by the proper

Question:

Over the last year, 1,800 injections were administered at a clinic. Quality is measured by the proper amount of dosage as well as the correct drug. In six instances, the incorrect amount was given, and in three cases, the wrong drug was given. What is the epmo metric and what sigma level does it correspond to?