Given the project information in the following table, what is the probability of completing the National Holiday Toy project in 95-time units? Hint: Use the =NORM.S.DIST(z, TRUE) function in Excel to compute the probability. (Carry at least 2 decimal places in your task time and variance calculations and at least 3 decimal places in your z value calculation. Enter your final probability answer to 3 decimal places.) Acct. ID 1 2 234567 3 4 Ч 7 Description Design package Design product Build package Secure patent Build product Paint Test market Predecessor None 1 12222 3,4,5 Optimistic Most Likely Pessimistic (a) 6 15 4 24 17 4 13 The probability of completing the project in 95 time units is 2212219 27 16 (b) 24 28 10 36 47 12 19 Activity Variance Time (te) [(ba)/6]² Critical? 9 X X 13 19.83 7 28 30 7.33 16 4.69 1 4 25 1.78 1 xxx

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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Given the project information in the following table, what is the probability of completing the National Holiday Toy project in 95-time
units? Hint: Use the =NORM.S.DIST(z, TRUE) function in Excel to compute the probability. (Carry at least 2 decimal places in your task
time and variance calculations and at least 3 decimal places in your z value calculation. Enter your final probability answer to 3
decimal places.)
Acct. ID
1
2
3
4
5
6
7
Description
Design package
Design product
Build package
Secure patent
Build product
Paint
Test market
Predecessor
None
1
1
2
2
3,4,5
6
Optimistic Most Likely Pessimistic
(a)
(m)
(b)
6
12
24
15
19
28
4
7
27
29
7
16
24
17
4
13
The probability of completing the project in 95 time units is
10
36
47
12
19
Activity
Variance
Time (te) [(ba)/6]2 Critical ?
9
13
19.83
7
28
30
7.33
16
4.69
1
4
25
1.78
1
X
X
X
X
X
Transcribed Image Text:Given the project information in the following table, what is the probability of completing the National Holiday Toy project in 95-time units? Hint: Use the =NORM.S.DIST(z, TRUE) function in Excel to compute the probability. (Carry at least 2 decimal places in your task time and variance calculations and at least 3 decimal places in your z value calculation. Enter your final probability answer to 3 decimal places.) Acct. ID 1 2 3 4 5 6 7 Description Design package Design product Build package Secure patent Build product Paint Test market Predecessor None 1 1 2 2 3,4,5 6 Optimistic Most Likely Pessimistic (a) (m) (b) 6 12 24 15 19 28 4 7 27 29 7 16 24 17 4 13 The probability of completing the project in 95 time units is 10 36 47 12 19 Activity Variance Time (te) [(ba)/6]2 Critical ? 9 13 19.83 7 28 30 7.33 16 4.69 1 4 25 1.78 1 X X X X X
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