Answered: a) The expected completion time for…

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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2. A small software development project at Krishna Dhir's firm has five major activities. The times (in days) are estimated and provided in the table below:

Activity	Immediate Predecessor	a	m	b
A	−	2	5	8
B	−	3	6	9
C	A	4	7	10
D	B	2	5	14
E	C	3	3	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).

c) The probability that this projectbe can be completed in 17 days or less is ____ (keep two decimal places).

d) The probability that it will take more than 17 days to complete this projectbe is __ (keep two decimal places).

e) The due date that yields a 98% chance of completion is ____ days (keep two decimal places).

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