Activity

Immediate Predecessor

Optimistic Time

Estimates $($days$)$

Most Likely Time

Estimates $($days$)$

Pessimistic Time

Estimates $($days$)$

A

$\_$

$44$

$50$

$56$

B

$\_$

$45$

$60$

$75$

C

A

$42$

$45$

$48$

D

A$,$ B

$31$

$40$

$49$

E

C

$27$

$36$

$39$

F

D$,$ E

$58$

$70$

$82$

$40$ weeks

$39$ weeks

$31$ weeks

$38$ weeks

$43$ weeks