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Distinguish between: Activity and Delay
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written 8.5 years ago by |
Activity | Delay |
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Duration of time of specified length which is known when it begins (although it may be defined in terms of statistical distribution). | Duration of time of unspecified indefinite length, which is not known until it ends. |
Example: a service time or inter arrival time | Example: a customer’s delay in last in first out waiting line which, when it begins, depends on future arrivals. |