Activity Description Optimistic

$($

a

$)$

$$Most Probable

$($

m

$)$

$$Pessimistic

$($

b

$)$

A Plan event

$2$

$3$

$4$

B Select location

$2$

$.$

$5$

$2$

$6$

C Decide on speakers & vendors

$4$

$4$

$4$

D Prepare & mail brochures

$2$

$4$

$6$

E Update web site

$1$

$.$

$5$

$2$

$.$

$5$

$3$

$.$

$5$

F Final check with speakers & vendors

$3$

$.$

$5$

$4$

$4$

$.$

$5$

G Registration & hotel reservations

$3$

$3$

$6$

H Finalize last

$-$

minute details

$2$

$5$

$5$