A call center has determined five types of defects can occur in processing customer calls: the customer spends too long on hold the customer is given the
wrong information the customer reps handles the call in an unprofessional way the customer is transferred to the wrong destination and the customer is
disconnected. A total of 468 calls were subject to a quality audit last month and the results obtained from the audit are summarized in the list below. What
is the DPMO for the call center?
Number of defects/call Frequency
1 73
2 13
3 3
4 1
5 0