Activity

Immediate

Predecessors

Completion Time $($Weeks$)$

Optimistic

Most Likely

Pessimistic

A

N$/$A

$1$

$2$

$3$

B

A

$2$

$4$

$6$

C

A

$2$

$5$

$8$

D

A

$1$

$1$

$1$

E

B$,$ C

$2$

$3$

$4$

F

D

$1$

$2$

$3$

What is the probability the project will be longer than $9\mathrm{.}5$ weeks?

Group of answer choices

$0\mathrm{.}6736$

$0\mathrm{.}7054$

$0\mathrm{.}1736$

$0\mathrm{.}2054$