Multiple Choice
Dumplings -To-Go (DTG) provides take-out dumplings and noodle dishes to customers at its chain of drive-through restaurants.The target for a customer's waiting time is 3.0 minutes +/- 1 minute.Each month,one of the managers observes the drive-through process and collects a sample of 4 waiting times a day over a 6 day period.The data for one restaurant appears below.Calculate the process capability ratio.Is this restaurant capable of meeting DTG standards? 
A) yes
B) no
C) Cannot be determined from the above information
Correct Answer:
Verified
Correct Answer:
Verified
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