Everything is right except for the probability, not sure what I did wrong with it.

The following table represents a plan for a project JOB NO 1 PREDECESSOR TIMES (DAYS) JOBIS) 2 4 9 2 2 11 1 2 4 6 1 37 8 2 23 4 3 1 2 6 4 3 5 10 5,6 1 3 5 8 1 2 7 3 4 5 9,10 1 5 6 10 11 b. Indicate the critical path. 13-8-8-9-11 1-2-5-8-9-11 1-2-5-8 0 1-4-7-10-11 c. What is the expected completion time for the project? (Round your answer to 2 decimal places.) Expected completion time 25 days d. You can accomplish any one of the following at an additional cost of $1,500 and if you will save $1,000 for each day that the earliest 1. Reduce job 5 by two days. O No Yos 2. Reduce job 6 by two days. Yes O No 3. Reduce job 7 by four days. No Yes e. What is the probability that the project will take more than 29 days to complete? (Round your answer to 2 decimal places.) Probability