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A7-3 (Algo) The expected times and variances... The expected times and variances for the project activities follow. Complete the table showing which activities are critical. 5 points 8 03:13:04 \begin{tabular}{|c|l|c|c|c|c|} \hline ID & \multicolumn{1}{|c|}{ Description } & Predecessor & te & Variance & Critical? \\ \hline 1 & Pilot production & None & 6 & 3 & \\ \hline 2 & Select channels of distrib. & None & 21 & 4 & \\ \hline 3 & Develop mktg. program & None & 13 & 2 & \\ \hline 4 & Test market & 1 & 4 & 2 & \\ \hline 5 & Patent & 1 & 17 & 5 & \\ \hline 6 & Full production & 4 & 18 & 10 & \\ \hline 7 & Ad promotion & 3 & 9 & 2 & \\ \hline \end{tabular} Mc Graw Hill Prev 1 of 2 Next 5 \begin{tabular}{|c|l|c|c|c|l|} \hline 5 & Patent & 1 & 17 & 5 & \\ \hline 6 & Full production & 4 & 18 & 10 & \\ \hline 7 & Ad promotion & 3 & 9 & 2 & \\ \hline 8 & Release & 2,5,6,7 & 2 & 1 & \\ \hline \end{tabular} points What is the probability of completing the project in 30 periods? Hint: Use the =NORM.S.DIST(z, TRUE) function in Excel to compute the probability. (Do not round intermediate calculations. Round the final answer to 3 decimal places, i.e., 0.750.)