The operations manager of a large plant wishes to overhaul a machine. After conducting a PERT/CPM analysis

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The operations manager of a large plant wishes to overhaul a machine. After conducting a PERT/CPM analysis he has developed the following critical path.

1. Disassemble machine

2. Determine parts that need replacing

3. Find needed parts in inventory

4. Reassemble machine

5. Test machine

He has estimated the mean (in minutes) and variances of the completion times as follows.

The operations manager of a large plant wishes to overhaul

Determine the mean and variance of the completion time of theproject.

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Statistics For Management And Economics Abbreviated

ISBN: 9781285869643

10th Edition

Authors: Gerald Keller

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Question Posted: Feb 03, 2015 08:28 AM

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The operations manager of a large plant wishes to overhaul a machine. After conducting a PERT/CPM analysis

Question:

Activity Mean Variance 35 20 20 50 20 4 12 4

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35 20 ...View the full answer

Statistics For Management And Economics Abbreviated

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