A mining project is composed of five activities whose three time...

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A mining project is composed of five activities whose three time estimates in months are given below:

Activity Estimated duration (months)

Optimistic time Most likely time Permissible time

1 - 2 1 1 7

1 - 3 2 5 8

2 - 4 1 1 7

3 - 4 2 5 14

4 - 5 3 6 15

The expected duration of the mining project in months is

A. 5

B. 16

C. 18

D. 29

Answer: Option C

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A mining project is composed of five activities whose three time estimates in months are given below:

Activity	Estimated duration (months)
	Optimistic time	Most likely time	Permissible time
1 - 2	1	1	7
1 - 3	2	5	8
2 - 4	1	1	7
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The expected duration of the mining project in months is

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B. 16

C. 18

D. 29

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