I need help in this question. I have only 30 minutes. Please do them correctly and do it fast

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I need help in this question. I have only 30 minutes.Please do them correctly and do it fast

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More Info Activity ABCDEFGHI-KL А с J a 063 264 264 10 9 14 10 1 Print Time (days) m 10 7 3 20 7 10 ON FANN 7 15 11 7 7 2 Done b 12 9 4 30 8 11 10 16 13 8 8 4 Immediate Predecessor(s) AGDOLL А с B, D, E D, E B, F F G, H G, H I X
Nicholas Glaskowsky, director of personnel of Glaskowsky Resources, Inc., is in the process of designing a program that his customers can use in the job-finding process. Some of the activities include preparing résumés, writing letters, making appointments to see prospective employers, researching companies and industries, and so on. Some of the information on the activities appears in the following table: Click the icon to view these activities, their immediate predecessors, and time requirements. As you can see, optimistic (a), most likely (m), and pessimistic (b) time estimates have been given for all of the activities described in the table. a) Choose the appropriate network for this problem below. OA. Start O C. O B. O D.
b) Determine the expected times and variances for each activity. (Enter your responses for expected times rounded to one decimal place and for variances rounded to two decimal places.) Expected Time Variance Activity A 10.0 0.44 B 7.2 0.25 C 3.2 0.03 D E F G H I J K L a 100 603 10 6 9 6 14 10 6 4 1 m 10 7 3 20 7 10 7 15 11 7 7 2 b 12 9 4 30 8 11 10 16 13 8 8 4 7.3 15.0 11.2 ■ 0.44 0.11 0.25
c) Determine ES, EF, LS, LF, and slack for each activity. (Enter your responses rounded to one decimal place.) Activity A B с D E F G H I J K L ES 0.0 0.0 0.0 | 30.0 40.0 40.0 | EF 10.0 7.2 3.2 37.3 55.0 51.2 ☐☐☐ LS 0.0 22.8 19.8 | T 47.7 40.0 50.8 LF 10.0 30.0 23.0 55.0 55.0 62.0 Slack 0.0 22.8 19.8 L 17.7 0.0 10.8 | | d) The critical path is The project completion time is (round your response to one decimal place). e) Using the standard normal table, the probability that the project will be finished in 70 days is (enter as a probability and round your response to three decimal places). (enter as a probability and round your response to three decimal places) f) The probability that the project will be finished in 80 days is g) The probability that the project will be finished in 90 days is (enter as a probability and round your response to three decimal places).
c) Determine ES, EF, LS, LF, and slack for each activity. (Enter your responses rounded to one decimal place.) Activity d) The critical path is The project completio e) Using the standard f) The probability that g) The probability that A-D-F-H-J-K B-F-H-J-K C-E-F-H-J-K A-D-G-L ABC DEFIX G H K L se to one decimal place). t the project will be finished in 70 days is days is days is ES 0.0 0.0 0.0 30.0 40.0 40.0 EF 10.0 7.2 3.2 37.3 55.0 51.2 LS 0.0 22.8 19.8 47.7 40.0 50.8 LF 10.0 30.0 23.0 (enter as a probability and round your response to three decimal places). (enter as a probability and round your response to three decimal places). 55.0 55.0 62.0 Slack 0.0 22.8 19.8 17.7 0.0 10.8 (enter as a probability and round your response to three decimal places).