Need answer for question D & E

d. You can accomplish any one of the following at an additional cost of $1,500. If you will save $1000 for each day that the earliest completion time is reduced, which of the following actions should be taken if any? 1. Reduce job 5 by two days Yes O NO 2. Reduce job 3 by two days. Yes NO 3. Reduce job 7 by two days O Yes ONO e. What is the probability that the project will take more than 30 days to complete? (Use Excel's NORMSDIST() function to find the correct probability for your computed Z-value. Other than the expected completion time you entered in parte above, do not round Intermediate calculations. Round "z" value to 2 decimal places your final answer to 4 decimal places.) Probability Use the following information to answer the questions below TIMES (DAYS) PREDECESSOR JOB (5) JOB NO. 1 2 3 1 1 1 3 2 5 4 N 2 1 4 3 2 1 1 2 2 3 5 4 3 12 11 5 3 9 6 12 5 B 4 5,6 B 2 8 4 4 4 7 B 9 10 11 10 b. Indicate the critical path 012-5-8-9-11 1-3-6-8.9.11 O 1-4-7-10-11 c. What is the expected completion time for the project? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Expected completion time 26.83 days