The processing time of the second customer, given the service time, was C. 11 minutes .
How to find the processing time ?
The processing time of the second customer can be found by the formula :
= Waiting time + Service time
The Service time is given on the table to be 10 minutes .
The waiting time would be :
= Time first customer left - Time second customer arrived
= 8 : 11 - 8 : 10
= 1 minute
Customer 2 processing time is:
= 10 + 1
= 11 minutes
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