Question
In: Operations Management
Three recent college graduates have formed a partnership and have opened an advertising firm. Their first...
Three recent college graduates have formed a partnership and have opened an advertising firm. Their first project consists of activities listed in the following table.
| TIME IN DAYS | |||||||||
| Activity |
Immediate Predecessor |
Optimistic | Most Likely | Pessimistic | |||||
| A | — | 5 | 6 | 7 | |||||
| B | — | 8 | 8 | 11 | |||||
| C | A | 6 | 8 | 11 | |||||
| D | — | 9 | 12 | 15 | |||||
| E | C | 5 | 6 | 9 | |||||
| F | D | 5 | 6 | 7 | |||||
| G | F | 2 | 3 | 7 | |||||
| H | B | 4 | 4 | 5 | |||||
| I | H | 5 | 7 | 8 | |||||
| End | E, G, I | ||||||||
b.What is the probability that the project can
be completed in 24 days or less? In 21 days or less? (Round
your te and z values to 2 decimal places and "Standard
deviation" to 3 decimal places. Round your final answers to 4
decimal places.)
| Days | Probability | |
| 24 days or less | ||
|
21 days or less |
||
c. Suppose it is now the end of the seventh day
and that activities A and B have been completed while activity D is
50 percent completed. Time estimates for the completion of activity
D are 5, 6, and 7. Activities C and H are ready to begin. Determine
the probability of finishing the project by day 24 and the
probability of finishing by day 21. (Round your
intermediate calculations to 3 decimal places and final answers to
4 decimal places.)
| Probability | |
| Day 24 | |
| Day 21 |
Solutions
Expert Solution
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keosha answered 2 days agoRelated Solutions
Three recent college graduates have formed a partnership and have opened an advertising firm. Their first...
Three recent college graduates have formed a partnership and
have opened an advertising firm. Their first project consists of
activities listed in the following table. Use Table B.
TIME IN DAYS
Activity
Immediate
Predecessor
Optimistic
Most Likely
Pessimistic
A
—
5
6
7
B
—
8
8
11
C
A
6
8
11
D
—
9
12
15
E
C
5
6
9
F
D
5
6
7
G
F
2
3
7
H
B
4
4
5
I
H...
Three recent college graduates have formed a partnership and have opened an advertising firm. Their first...
Three recent college graduates have formed a partnership and
have opened an advertising firm. Their first project consists of
activities listed in the following table. Use Table B.
TIME IN DAYS
Activity
Immediate
Predecessor
Optimistic
Most Likely
Pessimistic
A
—
5
6
7
B
—
8
8
11
C
A
6
8
11
D
—
9
12
15
E
C
5
6
9
F
D
5
6
7
G
F
2
3
7
H
B
4
4
5
I
H...
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