Activity Depends on Activity Duration $($days$)$

Optimistic Most Likely Pessimistic

A $-2514$

B $-31221$

C A $51417$

D B $258$

E C$,$D $147$

F B $61530$

Total $195597$

a$)$ Determine expected duration te and $\backslash$sigma Te for each activity. $(5$ points$)$

b$)$ Determine Te and $\backslash$sigma Te $(5$ points$)$

c$)$ What is the probability that: $(15$ points$)$

i$.$ The project will be completed in $25$ days.

ii$.$ The project will be completed in more than $30$ days.

iii. The project will take between $26$ and $30$ days.

d$)$ If the owner wishes to work on a probability of completion of $0\mathrm{.}8,$ what will be the earliest project time? $(5$ points$)$