Industrial Engineering and Production Management
Pessimistic time is

The maximum time which an activity might require
The most probable time considering all conditions
The minimum time in which an activity can possibly be accomplished
The average time required for a job

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Industrial Engineering and Production Management
The purpose of micro-motion study is to

Assist in finding out the most efficient way of doing work
All of these
Help in collecting the motion time data for synthetic time standards
Train the individual operator regarding the motion economy principles

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