(b) Limbo Technologies has embarked on another project that has an estimated completi time of 40 weeks and a standard deviation of 5 weeks. It is estimated that the project completion time is normally distributed. i) What is the probability of finishing the project in 38 weeks or less? ii) The due date for the project is set so that there is a 90% chance that it will finish by this date. What is the due duration?

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(b) Limbo Technologies has embarked on another project that has an estimated completion
time of 40 weeks and a standard deviation of 5 weeks. It is estimated that the project
completion time is normally distributed.
i)
What is the probability of finishing the project in 38 weeks or less?
ii)
The due date for the project is set so that there is a 90% chance that it will finish by this
date. What is the due duration?
Transcribed Image Text:(b) Limbo Technologies has embarked on another project that has an estimated completion time of 40 weeks and a standard deviation of 5 weeks. It is estimated that the project completion time is normally distributed. i) What is the probability of finishing the project in 38 weeks or less? ii) The due date for the project is set so that there is a 90% chance that it will finish by this date. What is the due duration?
(a) Limbo Technologies Ltd manufactures laptops for commercial use. The company is at
present contemplating production of laptops specifically for secondary school students in
Trinidad and Tobago. The activities necessary to build an experimental model and related
data are given in the table below.
ACTIVITY
PREDECESSOR
NORMAL
CRASH
TIME
NORMAL
CRASH
TIME
COST ($)
COST (S)
(WEEKS)
(WEEKS)
2.
A
4
1000
3000
1600
6.
3
3500
A
A,B
3.
1
2500
3000
6
1500
1850
E
D
4
3500
4200
F
4
3
2250
3000
2500
3
2
1900
H.
FG.E
2.
1
400
500
i) Draw the network diagram and state the project completion time
ii) Crash the project to 13 weeks
iii) What would be the total cost of the project?
iv) Draw a Gantt chart to show the project activities.
Transcribed Image Text:(a) Limbo Technologies Ltd manufactures laptops for commercial use. The company is at present contemplating production of laptops specifically for secondary school students in Trinidad and Tobago. The activities necessary to build an experimental model and related data are given in the table below. ACTIVITY PREDECESSOR NORMAL CRASH TIME NORMAL CRASH TIME COST ($) COST (S) (WEEKS) (WEEKS) 2. A 4 1000 3000 1600 6. 3 3500 A A,B 3. 1 2500 3000 6 1500 1850 E D 4 3500 4200 F 4 3 2250 3000 2500 3 2 1900 H. FG.E 2. 1 400 500 i) Draw the network diagram and state the project completion time ii) Crash the project to 13 weeks iii) What would be the total cost of the project? iv) Draw a Gantt chart to show the project activities.
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