Given your results above and the project to modify an existing PRODUCT which your team has worked on previously, which duration estimate, the low end or high end, will you use in your project schedule?

Activity P M PERT or Expected Duration O Activity Standard Deviation PERT = SD = (P(O+4M+P)/ O)/6 6 Task A Task B Task C Task D Task E Task F Task G Task H Task I 23 66 44 56 15 37 67 32 41 17 31 30 21 10 17 42 27 31 5 21 20 11 8 7 28 21 21 16.00 35.17 30.67 25.17 10.50 18.67 43.83 26.83 31.00 381 226 142 237.83 3.00 7.50 4.00 7.50 1.17 5.00 6.50 1.83 3.33 Range of the Estimate (low end) Range of the Estimate (high end) 95% confidence level 95% confidence level = PERT - (2*SD) #NAME? 10.00 20.17 22.67 10.17 8.17 8.67 30.83 23.17 24.33 22.00 50.17 38.67 40.17 12.83 28.67 56.83 30.50 37.67 158.17 317.50 v