Please only solve for D and make sure you label the final answer, I already am giving you the correct answers for steps A, B and C so do not solve those simply use the answers I already have to help you solve for D.

a) The expected (estimated) time for activity C is weeks. (Round your response to two decimal places.) b) The variance for activity C is weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is d) The estimated time for the critical path is weeks. (Round your response to two decimal places.)