
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN: 9781680331141
Author: HOUGHTON MIFFLIN HARCOURT
Publisher: Houghton Mifflin Harcourt
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Transcribed Image Text:Habitat for Humanity International is a nonprofit organization dedicated to eliminating poverty housing worldwide. Suppose the following table contains estimates of activity times (in days) involved in the construction of a house that Habitat for Humanity is building.
Activity Optimistic Most Probable Pessimistic
A
6
7.0
8
B
7
8.0
9
C
7
7.5
11.5
D
7
9.0
10
E
6
7.0
9
F
3
4.0
5
(a) Compute the expected activity completion times and the variance for each activity. (Round your answers to two decimal places.)
Activity
Expected
Times
A
B
C
D
E
F
Variance
(b) An analyst determined that the critical path consists of activities B-D-F. Compute the expected project completion time and the variance of this path. (Round your answers to two decimal places.)
expected project completion time
variance of projection completion time
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