Use the following information for following questions. Activity te Critical A 31 1 B 28 4 C 32 19 YES D 18 4 F 32 0 F 55 9 YES G 16 4 H 23 4 34 7.11 17 36 YES a. The estimated mean time for project completion is days. b. The estimated standard deviation for the critical path is days. c. Which task would be considered the riskiest task, which could jeopardize a project completing on time? d. Focusing on the critical path, the probability of this project will completing in 108 days is % .(round your answers to two digits - for example if your final value is 0.2435, enter the numerical value of 24 without "." ). e. Completion time of days has a 80% chance of being met, (round up your answer to the nearest integer value)