Please provide a picture of a draw out network diagram for the attached stats aswell as answers to the four questions $1.$ Develop a network diagram $($AKA precedence diagram$).$

$2.$ Calculate the expected duration for each activity. Determine the ES$,$ EF$,$ LS$,$ LF$,$ and slack for each activity.

$3.$ Using your calculations determine the critical path and highlight it on your diagram.

$4.$ CTIMIE $($DANS$)$alculate the variance and standard deviation of the project's total duration. What is the probability that the project will be finished within $270$ days $($that is $270$ days or less$)?$