Adler United football club sell pies to fans at their ground

Adler United football club sell pies to fans at their ground. They have found
that their usual attendance on a match day is 63,250 fans. Each fan on average eats
4.6 of their tasty award winning pies that come in a variety of flavours. Analysis of
their catering receipts data shows that some fans were incorrectly given the wrong
pie on some of their orders even though they can only order one pie each
transaction, and that this happened with 3,840 pies.

Using this data, and showing your workings, determine the dpmo of the process and
determine the level of quality that the catering service currently operate to. You may
use any available appropriate table of z value data as required.
(5 marks)