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The probability that the project will require more than 49 weeks? How do you do b. and c.? Part a ...
jgosset2
jgosset2
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The probability that the project will require more than 49 weeks? How do you do b. and c.? Part a ...
The following precedence diagram reflects three time estimates for each activity. Determine:
Path to-tm-tp
1-2 8-8-8
2-3 11-12-13
2-4 5-6-7
2-5 10-12-14
3-8 9-10-12
4-6 14-18-26
4-7 13-13-13
5-9 7-10-12
9-10 10-11-12
8-11 5-7-10
6-11 8-10-14
7-11 10.5-13-15.5
10-11 6-6-6
a. The expected completion time for each path and its variance. (Round intermediate calculations to 4 decimal places and final answers to 2 decimal places.)
Path Mean Variance Std. Dev.
1-2-3-8-11 37.33 1.06 1.03
1-2-4-6-11 43 5.11 2.26
1-2-4-7-11 40 .81 .90
1-2-5-9-10-11 46.83 1.25 1.12
b. The probability that the project will require more than 49 weeks. (Round intermediate calculations and final answer to 4 decimal places.)
P(T ≥ 49 wk.):_______
c.The probability that the project can be completed in 46 weeks or less. (Round intermediate calculations and final answer to 4 decimal places.)
P(T ≤ 46 wk.):_______
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bio_man
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#1
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4 years ago
This:
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jgosset2
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#2
4 years ago
Thanks, that really put my mind at ease knowing I did part a right, but where do the probabilities come from. I know how to get the z49 and z46 answers, just don't understand what formula helps you get each of the corresponding probabilities.
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bio_man
wrote...
#3
Educator
4 years ago
There's a probability chart, like a z-table
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cola1016
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#4
3 years ago
Quote from: bio_man (4 years ago)
This:
Thank you for this!
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gonza479
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#5
3 years ago
Thank you
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optimist_prime6
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#6
2 years ago
Thank you
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hwanghaes
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#7
2 years ago
Thank you
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mlenise101
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#8
2 years ago
thank you
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ikhan5
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#9
2 years ago
Thanks
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mydiccphatt
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#10
2 years ago
thank you
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iGJEM34
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#11
2 years ago
Thank You
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PPsaks2
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#12
2 years ago
thank you
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peyton j.
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2 years ago
thank you
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