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A local GP (General practitioner) has five patients needing urgent care. He estimates the time required...

A local GP (General practitioner) has five patients needing urgent care. He estimates the time required to treat each patient and determines to take the five in the order that they arrived at the clinic. The data for these patients, in the order they arrived, is shown below:

Patient A                        Time required     

     A                               30 minutes                          

     B                               40 minutes                          

     C                               10 minutes                          

     D                              50 minutes                          

     E                               15 minutes                          

a) How much time will the five patients have collectively spent waiting (in minutes) i.e. what is the total

flow time (in minutes)?                                                                                                 

b) How much less time would have been spent waiting if the GP had taken the patients according to shortest processing time (in minutes)?                                                                           

Math   Statistics-And-Probability   
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