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Name________________________________________________
Quiz 2
BUSQOM 1070, Spring 2011
Monday, January 24, 2011
Using PERT, Harold Benson was able to determine that the expected project completion time for the
construction of a yacht is 21 months, and the project variance is 4.
1.
What is the probability that the project will be completed in 17 months?
(
)
[
]
[
]
17 – 21
17
– 2.0
2
1
2.0
1
0.97725
0.0228
≤
=
≤
=
≤
=−
≥
=−
=
P t
P
z
P
z
P
z
2.
What is the probability that the project will be completed in 20 months?
(
)
[
]
[
]
20
21
20
0.5
2
1
0.5
1
0.69146
0.3085
P t
P
z
P
z
P
z
−
≤
=
≤
=
≤ −
=−
≥
=−
=
3.
What is the probability that the project will be completed in 23 months?
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 Spring '11
 Scala
 Project Management, 20 months, 17 months, Harold Benson

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