Industrial Engineering and Production Management
The critical path of a network represents

The minimum time required for completion of project
Minimum cost required for completion of project
Maximum cost required for completion of project
The maximum time required for completion of project

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Industrial Engineering and Production Management
In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if

The laws governing arrivals, service times, and the order in which the arriving units are taken into source are known
All variables and constants are known and form a linear equation
Complete details of items in, waiting line are known
Arrival and waiting times are known and can be grouped to form a waiting line model

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