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Question
Table 7.14
You are responsible for managing a project with the following activities (times are given in weeks).
| Task | Predecessor | Optimistic | Most Likely | Pessimistic |
| A | -- | 5 | 8 | 10 |
| B | A | 7 | 10 | 12 |
| C | B | 8 | 10 | 14 |
| D | -- | 11 | 15 | 20 |
| E | D | 12 | 14 | 18 |
Using Table 7.14, if the expected time for activity C is changed to 12 weeks, by how many weeks will the project's expected completion time increase?
A) It will not change.
B) It will increase by one week.
C) It will increase by two weeks.
D) It will increase by three weeks.
Answer
This answer is hidden. It contains 53 characters.
Related questions
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1
2
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4
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6
7
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10 Finished Item A MPS Start
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Q:
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3
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Q:
Develop a process chart for one of the following:
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Q:
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Due Time (days)
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2
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Q:
The estimated time to produce the first unit is 100 hours. If a 90 percent learning rate is applicable, what is the estimated time of producing the first ten units? Refer to the copy of Table I.1 appended to this exam.
Q:
A single-sampling plan by attributes is needed for a purchased component. Table G.1 is appended to this exam.
Sample size = 80
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Q:
Refer to the bank process model. The bank's process improvement group has developed a number of process and technology changes that will improve the Teller's process rate per customer from a mean of 3.0 minutes to 2.5 minutes (standard deviation remains at 0.5 minutes). The Bank Manager wants to determine if the improved process rate, along with the special promotion for new customers, will allow the "arrive and immediately leave" rate and average customer wait time in line achieved to still be met (12% balk rate, 9.95 minutes in line). If so, the manager will implement the process and technology changes and allow the special promotion to proceed. Using SimQuick, estimate the new arrive and immediately leave rate and average time in line. What decision should the manager make?
Q:
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Q:
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Q:
What is degeneracy in the context of linear programming? Why is degeneracy a concern?
Q:
Construct a 3-sigma and R-chart for the length in centimeters of a part from the following table. Sample #
Observation 1
Observation 2
Observation 3
Observation 4 1
0.486
0.499
0.493
0.511 2
0.499
0.506
0.516
0.494 3
0.496
0.5
0.515
0.488 4
0.495
0.506
0.483
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0.472
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0.469 6
0.473
0.495
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0.495
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0.525
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Q:
The three-person crew worked their way through the neighborhood, testing doorknobs and windows and slipping past security systems like a team of ninjas. Of course, they weren't ninjas, but a crew of brazen burglars, hoping to grab cash and other valuables to fence at the next level of their supply chain. Fortune smiles on them on this day in the prestigious Edmond Oaks neighborhood. A lawn maintenance crew is creating a tremendous racket mowing and edging lawns, which completely drowns out the sounds of breaking glass. Details of the day's haul appear in Table C.
a. What is the multifactor productivity?
b. What is the labor productivity?
Table C: The Haul ITEM
SALES PRICE
LABOR
MATERIAL Krugerrand
$1,500
1 hr
$2 Flat screen TV
$250
.25
$1 $200 cash
$200
.05
$45 Lava lamp
$5
.15
$25 Rolex watch
$180
.10
$1 Workers are paid at a flat rate of 20% of the sales price of the merchandise. Materials cost
represents the cost of gasoline and surgical gloves, and overhead is 20% of the sales price of
the merchandise.
Q:
Consider this list of jobs that have just arrived and are ready for processing. They all require processing first on machine 1 and then on machine 2. Both machines are now idle. Develop a schedule that minimizes makespan and calculate this makespan time. Now assume that each job can be split into two jobs, each having half the duration on both machine 1 and machine 2. Using the original sequence that minimized average flow time, calculate the flow times for all split jobs What is the effect of this new schedule on the average flow time for these split jobs? Job
Machine 1
Machine 2 1
14
6 2
11
12 3
16
14 4
12
8 5
22
9 6
13
15 7
10
12 8
8
13