You and several friends are about to prepare a lasagna dinner. their estimated durations are as follows: Time estimate (in minutes) to tp 4 6 5 8 Task A B C D E F G H I Task Description Slice the mozzarella Mix eggs and ricotta cheese Cut up onions and mushrooms Cook the tomato sauce Boil large quantity of water Cook and drain the noodles Assemble all the ingredients Preheat the oven Bake the lasagna Predecessors -- C E B,D,F H. I 6 20 15 12 10 14 30 tm 5 6 7 23 15 13 13 15 32 9 24 15 16 14 15 35 0²

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
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their is no Predecessors

  1. State the variance of the critical path.
You and several friends are about to prepare a lasagna dinner. their estimated durations are as follows:
Time estimate (in minutes)
Task
Task Description
Predecessors
te
t.
tm
to
A
Slice the mozzarella
4
6.
Mix eggs and ricotta
cheese
B
5
8
Cut up onions and
mushrooms
C
7
D
Cook the tomato sauce
C
20
23
24
Boil large quantity of
E
15
15
15
water
Cook and drain the
F
E
12
13
16
noodles
Assemble all the
G
B,D,F
10
13
14
ingredients
H
Preheat the oven
14
15
15
I
Bake the lasagna
Н, I
30
32
35
Transcribed Image Text:You and several friends are about to prepare a lasagna dinner. their estimated durations are as follows: Time estimate (in minutes) Task Task Description Predecessors te t. tm to A Slice the mozzarella 4 6. Mix eggs and ricotta cheese B 5 8 Cut up onions and mushrooms C 7 D Cook the tomato sauce C 20 23 24 Boil large quantity of E 15 15 15 water Cook and drain the F E 12 13 16 noodles Assemble all the G B,D,F 10 13 14 ingredients H Preheat the oven 14 15 15 I Bake the lasagna Н, I 30 32 35
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