What is the estimated variance in the time (in days) for activity C? What is the estimated variancein the time (in days) for activity C?4916330 Time estimatesExpectedVarianceActivity Optimistic Most Likely Pessimistic Time (ET) (σ²)ambA314049B445056C486072Ꭰ223134ACStartEndBᎠ

Expected time of C is 60Variance of C is 16Explanation:

Answered: Time estimates Expected Variance…

Time estimates Expected Variance Activity Optimistic Most Likely Pessimistic Time (ET) (σ²) a m b A 31 40 49 B 44 50 56 C 48 60 72 Ꭰ 22 31 34 A C Start End B Ꭰ

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

What is the estimated variance in the time (in days) for activity C?

What is the estimated variancein the time (in days) for activity C?

Time estimates
Expected
Variance
Activity Optimistic Most Likely Pessimistic Time (ET) (σ²)
a
m
b
A
31
40
49
B
44
50
56
C
48
60
72
Ꭰ
22
31
34
A
C
Start
End
B
Ꭰ

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