Time? (days) Immediate Time? (days) Immediate Activity a m b ?Predecessor(s) Activity a m b ?Predecessor(s) A 55 55 77 long dash— H 44 44 66 ?E, F B 11 22 55 long dash— I 22 77 1010 ?G, H C 55 55 55 A J 22 44 77 I D 44 88 1313 A K 66 1010 1313 I E 11 1010 1717 ?B, C L 22 66 66 J F 11 55 77 D M 22 22 33 K G 22 66 99 D N 77 77 1212 ?L, M Number of days that would result in?...

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Basic Math

Time? (days)
Immediate
Time? (days)
Immediate
Activity
a
m
b
?Predecessor(s)
Activity
a
m
b
?Predecessor(s)
A
55
55
77
long dash—
H
44
44
66
?E, F
B
11
22
55
long dash—
I
22
77
1010
?G, H
C
55
55
55
A
J
22
44
77
I
D
44
88
1313
A
K
66
1010
1313
I
E
11
1010
1717
?B, C
L
22
66
66
J
F
11
55
77
D
M
22
22
33
K
G
22
66
99
D
N
77
77
1212
?L, M
Number of days that would result in? 99% probability ofcompletion?

Answer & Explanation Solved by verified expert

4.3 Ratings (583 Votes)

For each activity we have got 3 time estimatesaOptimistic timem Most probable timebPessimistic timeUsing these we can calculate the expected time t for eachactivity as belowfor example for activity A the expected time isNext we need to find the variance of each activity given by theformulaFor example for activity A the variance isThe expected time and variances are given belowThe values areNext we need See Answer

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Time? (days)				Immediate		Time? (days)				Immediate
Activity	a	m	b		?Predecessor(s)	Activity	a	m	b		?Predecessor(s)
A	55	55	77		long dash—	H	44	44	66		?E, F
B	11	22	55		long dash—	I	22	77	1010		?G, H
C	55	55	55		A	J	22	44	77		I
D	44	88	1313		A	K	66	1010	1313		I
E	11	1010	1717		?B, C	L	22	66	66		J
F	11	55	77		D	M	22	22	33		K
G	22	66	99		D	N	77	77	1212		?L, M