a) The expected completion time for this project is days (enter your response as a whole number). b) The project variance of completion time is days (enter your response as a whole number). c) The probability that this projectbe can be completed in 17 days or less is (keep two decimal places).

a) The expected completion time for this project is days (enter your response as a whole number). b) The project variance of completion time is days (enter your response as a whole number). c) The probability that this projectbe can be completed in 17 days or less is (keep two decimal places).

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

example 2. please show solution.

A small software development project at Krishna Dhir's firm has five major activities. The times (in days) are estim
and provided in the table below:
Activity
A
B
с
D
E
Immediate
Predecessor
A
B
C
a
2
WNA @N
3
4
2
3
m
56753
3
b
8
9
10
14
3
a) The expected completion time for this project is
days (enter your response as a whole number).
b) The project variance of completion time is days (enter your response as a whole number).
(keep two decimal places).
c) The probability that this projectbe can be completed in 17 days or less is
d) The probability that it will take more than 17 days to complete this projectbe is
e) The due date that yields a 98% chance of completion is days (keep two decimal places).
(keep two decimal places).

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Step 2: Calculating Te and variance:-

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Step 3: (a) Calculating Expected project completion duration:-

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Step 4: (b) Calculating the variance of the critical path:-

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Step 5: (c) Calculating probability:-

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