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Consider the following work breakdown structure:

$\backslash$table$[[\frac{\text{A}\text{c}\text{t}\text{i}\text{v}\text{i}\text{t}\text{y}}{A},\backslash$table$[[$Start$],[$Node$],[1]],\backslash$table$[[$Finish$],[$Node$],[2]],$Optimistic,$\backslash$table$[[$Duration $($days$)],[$Most Likely$]],$Pessimistic$],[$B$,1,\backslash$table$[[2],[3]],41,50,59],[$c$,2,4,54,60,66],[0,3,4,\backslash$table$[[58],[32]],\backslash$table$[[70],[41]],82],[,,,,\underset{?}{lim}41,44]]$

What is the estimated expected $($mean$)$ time for activity D$?$

Multiple Choice

$44$ doys

$32$ days

${?}^{40}$ doys

${?}^{41}$ days

${?}^{42}$doys