show complete solution 3.20 The estimated times and immediate predecessors for the activities in a project at George Kygatissretinal scanning company are given in the following table. Assume that the activaity times areindependent.TIME (WEEKS)IMMEDIATEPREDECESSORАCTIVITYmA9101141016A91011DB5811d) If the time to complete path A-C is normally distributed, what is the probability that this path will befinished in 22 weeks or less?e) If the time to complete path B-D is normally distributed, what is the probability that this path will befinished in 22 weeks or less?

Probability of competing a path indicating the proportion between the difference in line duration…

Answered: d) If the time to complete path A-C is…

d) If the time to complete path A-C is normally distributed, what is the probability that this path will be finished in 22 weeks or less?

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

show complete solution

3.20 The estimated times and immediate predecessors for the activities in a project at George Kygatiss
retinal scanning company are given in the following table. Assume that the activaity times are
independent.
TIME (WEEKS)
IMMEDIATE
PREDECESSOR
АCTIVITY
m
A
9
10
11
4
10
16
A
9
10
11
D
B
5
8
11
d) If the time to complete path A-C is normally distributed, what is the probability that this path will be
finished in 22 weeks or less?
e) If the time to complete path B-D is normally distributed, what is the probability that this path will be
finished in 22 weeks or less?

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