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

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.

$($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

your answer to four decimal places.$)$

$]$

Should the athletic director begin planning the track and field team before January $1?($The probability for finishing on schedule should be at least $0\mathrm{.}9.)$

Since the probability that the track and field team will be ready by April $1$ is dots Select$--$ than $0\mathrm{.}9,$ the athletic director dots Select$--.$ begin planning before January $1.$