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# The probability that the project will require more than 49 weeks? How do you do b. and c.? Part a ...

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2 years ago
 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-tp1-2         8-8-82-3      11-12-132-4         5-6-72-5      10-12-143-8       9-10-124-6      14-18-264-7      13-13-135-9       7-10-129-10    10-11-128-11      5-7-106-11     8-10-147-11    10.5-13-15.510-11     6-6-6a. 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             1.12b. 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.):_______ Read 1977 times 12 Replies

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Educator
2 years ago
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2 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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Educator
2 years ago
 There's a probability chart, like a z-table
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10 months ago
 Quote from: bio_man (2 years ago) This: Thank you for this!
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10 months ago
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7 months ago
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7 months ago
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5 months ago
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5 months ago
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5 months ago
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4 months ago
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4 months ago
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