with their tine estimates:

i$)$ Draw the project network. Use activity on node $($A$-$O$-$N$)$ nethod $-($IM$)$

ii$)$ Identify the critical path. Calculate the length and variance of the critical path. $($IM$)$

iii$)$ Identify the non$-$critical achivityes. Workout the total slack $($TS$)$ and Free slack $($FS$)$ for all the noncritical activities. $($IM$)$

iv$)$ state whether the nefwork is sensitive or Insensitive $($im$)$

v$)$ What is the approxirate probability that jobs on the critical path will be completed by the due date of $($a$)25$ ddys$,($b$)30$ days? $(6$M$)$

$(1)$

DATE OF EXAM :$-$