Time left $0$:$13$:$28$

Question $66$

Not yet answered

Marked out of $1$

Flag question

Question text

A farmer has identified seven tasks and developed three time estimates $($all in days$)$ of the next big project on the farm, replacing the fence at the comedy pasture. Tasks, precedence requirements, and time estimates are shown in the table. What is the late finish for the Plant Posts activity?

Activity

Optimistic time

Most Likely time

Pessimistic time

Predecessor

Corner Posts

$4$

$5$

$6$

$--$

String Line

$7$

$8$

$9$

$--$

Dig Holes

$10$

$12$

$14$

Corner Posts

Plant Posts

$11$

$14$

$17$

String Line

Weld Top Bar

$8$

$11$

$14$

String Line

Paint

$9$

$11$

$13$

Dig Holes, Plant Posts

Tack Wire

$9$

$12$

$16$

Weld Top Bar

Question $66$Select one:

a$.$

$20\mathrm{.}83$ days

b$.$

$8$ days

c$.$

$13\mathrm{.}3$ days

d$.$

$22$ days