The Hand-in Assignments

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WEEK 6 ASSIGNMENTS
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Use the links below to jump directly to the related information. Hand-in Assignment
Individual Project

HAND-IN ASSIGNMENT

Hand-in Assignments are one way for you to demonstrate your learning. The Hand-in Assignments provide an opportunity to apply concepts and strategies to an authentic context. Typically, Hand-in Assignments are written papers or computer programs that are submitted to the Instructor. They require you to pull together information from the weekly Learning Resources, the Discussion and your own experiences to address an issue from the perspective of a real-world situation. Unless otherwise noted, the papers you write in Hand-in Assignments must follow Harvard Referencing Style reference and citation guidelines. You must submit your answers to the following Hand-in Assignment (HA) questions by the end of Day 7 (Wednesday). Answers will be submitted to the weekly Assignments area, but are not to be posted in the module Discussion Board.

Question 1

Activity

Mean duration

Std. dev.
(days)

A

11

0.9

B

13

1.1

C

7

0.2

D

9

0.8

E

6

1

F

7

1.2

G

10

0.7

H

9

0.6

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I

8

0.8

Table 1
Complete the following:
1. Calculate the project completion time.
2. Indicate the critical path activities.
3. What is the probability of completing this project between 38 and 40 days? 4. What are the slack values for activities C and F? Interpret the meaning of their slack values?

Question 2
A registered nurse is trying to develop a diet plan for patients. The required nutritional elements are the total daily requirements of each nutritional element as indicated in Table 2: Required nutritional element total and daily requirements

Calories

Not more than 2,700 calories

Carbohydrates

Not more than 300 grams

Protein

Not less than 250 grams

Vitamins

Not less than 60 units

Table 2
The nurse has four basic types to use when planning the menus. The units of nutritional element per unit of food type are shown in Table 3 below. Note that the cost associated with a unit of ingredient also appears at the bottom of Table 3.

Required nutritional element and units of nutritional elements per unit of food type Element

Milk

Chicken

Bread

Vegetables

Calories

160

210

120

150

Carbohydrates

110

130

110

120

Protein

90

190

90

130

Vitamins

50

50

75

70

Cost per unit

£0.42

£0.68

£0.32

£0.17

Table 3
Moreover, due to dietary restrictions, the following aspects should also be considered when developing the diet plan:
1. The chicken food type should contribute at most 25% of the total caloric intake that will result from the diet plan.
2. The vegetable food type should provide at least 30% of the minimum daily requirements for vitamins. Complete the following:
Provide a linear programming formulation for the above case. (You do not need to solve the problem.)

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INDIVIDUAL PROJECT

T he purpose of this simulation project is to provide you with an opportunity to use the POM-QM for Windows software to solve a linear programming problem and perform sensitivity analysis.

POM-QM for Windows software
For this part of this project, you will need to use the POM software: 1. Read Appendix IV of the O perations Management (Heizer & Render, 2011) textbook. 2. Install and launch the POM-QM for Windows software and from the main menu select Module, and...
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