A service has five tasks, performed in sequence
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A service has five tasks, performed in sequence

1. A service has five tasks, performed in sequence.  In the instance when there is more than one worker assigned to a task, each worker performs the entire task and they both can be working on different “items” at the same time.

Task

Task time per worker

Number of workers

1

2 minutes

1

2

6 minutes

1

3

14 minutes

2

4

4 minutes

1

5

15    minutes

3

a. What is the capacity (hourly) of the process as a whole?

b. What is the bottleneck of the process?

c. What is the throughput time (assuming no wait time)?

d. Where would you expect customers to wait?

Hint
Statistics"There are various aspects that facilitate the determination of a process’s bottleneck. Accumulation, throughput, full capacity, and wait times represent these aspects. This case concerns a service therefore necessitating the definition of these aspects in terms that are relative to service production. "...

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