Question: begin{tabular}{llllll} hline & multicolumn{2}{l}{ Time estimates } & Expected & Variance Activity & Optimistic & Most Likely & Pessimistic & Time ( ET )

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\begin{tabular}{llllll} \hline & \multicolumn{2}{l}{ Time estimates } & Expected & Variance \\ Activity & Optimistic & Most Likely & Pessimistic & Time ( ET ) & (2) \\ & a & m & b & \\ \hline A & 31 & 40 & 49 & & \\ B & 44 & 50 & 56 & \\ C & 48 & 60 & 72 & & \\ D & 22 & 31 & 34 & & \\ \hline \end{tabular} 2) What is the estimated Standard Deviation in the time for activity C ? (Round to the nearest whole number) A. 0 days B. 4 days C. 9 days D. 10 days E. 33 days 4) What is the estimated standard deviation of the expected time for the critical path? A. 2.83 days B. 5 days C. 8 days D. 20 days E. 25 days 5) What is the probability that this project will be completed after 110 days? A. 0.0228 B. 0.1587 C. 0.0013 D. 0.8413 E. 0.9772

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