Question

The following represents a project that should be scheduled using CPM:

	IMMEDIATE PREDECESSORS	TIMES (DAYS)
ACTIVITY		a	m	b
A	—	1	4	7
B	—	2	6	13
C	A	1	1	4
D	A	2	3	4
E	B	2	4	6
F	C,D	1	5	9
G	D,E	1	2	9
H	F,G	3	6	9

b. What is the critical path?

• A-D-G-H

• B-E-G-H

• A-D-F-H

• A-C-F-H

c. What is the expected project completion time? (Do not round intermediate calculations. Round your answer to 3 decimal places.)

	Project completion time    days

d. What is the probability of completing this project within 20 days? (Use Excel's NORM.S.DIST() function to find the correct probability for your computed Z-value. Do not round intermediate calculations. Round "z" value to 2 decimal places and final answer to 4 decimal places.)

Probability

Answer 1

Below is the screenshot of the formula applied -

Below is the screenshot of the result -