Activity

Description

Immediate processor

Activity time

$($weeks$)$

A

Develop product

$-$

$5$

B

Plan marketing

$-$

$11/2$

C

Prepare manufacturing

A

$3$

D

Build protype model

A

$4$

E

Prepare marketing

A

$3$

F

Prepare cost estimates

C

$2$

G

Run product

D

$3$

H

Complete market

B$,$E

$31/2$

I

Prepare pricing

H

$2$

J

Prepare final report

F$,$G$,$I

$2$

Activity

Optimistic time

Pessimistic time

Expected time

A

$4$

$12$

$?$

B

$1$

$5$

$2$

C

$2$

$4$

$3$

D

$3$

$11$

$5$

E

$2$

$4$

$3$

F

$11/2$

$2/12$

$2$

G

$11/2$

$4/12$

$3$

H

$2/12$

$7/12$

$4$

I

$11/2$

$2/12$

$2$

J

$1$

$3$

$2$

$1)$What is the entire time to complete the project?

$2)$ What is the expected time for activity A$?$

$3)$ What does pessimist time mean?

$4)$ What the difference between optimist & pessimist time for respectively activities A and D tells you?

$5)$ The Critical path is represented by activities A$-$E$-$H$-$I$-$J$.$ What is the total

required time to complete the project?

$6)$ What are the functionalities of the product?