You may need $to$ use the appropriate technology $to$ answer this question.

Due $to$ population growth $in$ the area, the new Liberty High School has just opened $in$ a local school district. The athletic director $at$ Liberty High $is$ planning the launch $of$ the school's track and field team. The first team practice $is$ scheduled for April $1.$ The activities, their immediate predecessors, and the activity time estimates $(in$ weeks$)$ are listed $in$ the following table.

$(a)$ Draw a project network.

$(i){?}^{(}0)$

$O$

$(i)0$

$(i)(b)$ Develop $an$ activity schedule. $(Round$ your answers $to$ two decimal places.$)$

$(c)$ What are the critical activities? $(Enter$ your answers $as$ a comma$-$separated list.$)$

What $is$ the expected project completion time $(in$ weeks$)?(Round$ your answer $to$ two decimal places.$)$

weeks

decimal places.