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Title: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part a ... Post by: jgosset2 on Mar 1, 2017 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.):_______ Title: Re: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part ... Post by: bio_man on Mar 1, 2017 This:
Title: Re: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part ... Post by: jgosset2 on Mar 1, 2017 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.
Title: Re: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part ... Post by: bio_man on Mar 1, 2017 There's a probability chart, like a z-table
Title: Re: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part ... Post by: cola1016 on Nov 11, 2018 Title: Re: The probability that the project will require more than 49 weeks? How do you do b. and c.? Part ... Post by: gonza479 on Dec 9, 2018 Thank you
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