Complete Problems 9 (parts a, b, c, and e only) and 10 at the end of Chapter 3 in the textbook. Use Microsoft Excel for all computations.

Complete Problems 9 (parts a, b, c, and e only) and 10 at the end of Chapter 3 in the textbook.Use Microsoft Excel for all computations. Ensure that the Excel file includes the associated cell computations. This information is needed in order to receive full credit on these problems. Each problem is to be placed into separate worksheets and all problems are to be placed into one file. 9.) The following table represents a plan for a project:T IMES (DAYS)JOB NO. P REDECESSOR JOB(S) a m b1 â 2 3 42 1 1 2 33 1 4 5 124 1 3 4 115 2 1 3 56 3 1 2 37 4 1 8 98 5, 6 2 4 69 8 2 4 1210 7 3 4 511 9, 10 5 7 8a. Construct the appropriate network diagram.b. Indicate the critical path.c. What is the expected completion time for the project?d. You can accomplish any one of the following at an additional cost of $1,500:(1) Reduce job 5 by two days.(2) Reduce job 3 by two days.(3) Reduce job 7 by two days.If you will save $1,000 for each day that the earliest completion time is reduced, whichaction, if any, would you choose?e. What is the probability that the project will take more than 30 days to complete? 10.) A project has an expected duration of 34 weeks with a critical path variance of 6. What is the probability the project can be completed in 32 weeks or less?

Job No Predecessor Jobs121314152637485, 698107119, 10 a21431112235 Times m32543284447 b43121153961258 a. Construct the appropriate network...