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Develop a report addressing the specific exercises set out in the guideline below. Your report should be 2000-2500 words, excluding
Title, Abstract, Table of contents, Bibliography and Appendices.
Exercise 1. (50%)
An important part of a production line has to be repaired. The industrial company is impacted by the stop of the production. Each day without producing costs
the company $64 000. The maintenance team has only three possible options:
Option 1
He can return the part to the supplier who has agreed to collect, repair, and return it for free. However, there is no compensation for any losses supported by the
company because the machine is not working. The supplier will not agree to repair the machine if there has been a previous attempt to repair it. If the machine is
returned, the supplier will guarantee to return it in working order in 5 days’ time.
Option 2
He can call in a repairing company. They will charge $40 000 to carry out the repair and they estimate that there is a 20% chance that they will be able to return
the machine to working order in 2 days. There is, however, a 80% chance that repairs will take 4 days.
Option 3
The maintenance team can attempt to repair it. He estimates that there is a 40% chance that he could mend the machine in 4 days. However, if at the end of 4
days the attempted repair has not been successful, he will have to decide whether to call the repairing company or to make a second attempt to repair. This would
take 3 further days, and he estimates that there is a 35% chance that this second attempt would be successful. If he fails at the second attempt, he will have no
alternative other than to call in the repairing company.
(a) Draw the decision tree of this problem
(b) Assuming that the maintenance department wants is to minimize the expected costs, what policy should they follow?
Exercise 2. (50%)
The company ABC is one of the most important specialists in electronic products.
In the last weeks there are several customers’ complaints due to the poor quality.
One of the Operations Managers starts a Quality Control to detect the possible problems.
After one week, the most common defects and their frequency are in the following table:
Defects DAYS
1 2 3 4 5 6 7
1 Too long 65 50 12 24 55 23 28
2 Bad quality material 21 32 14 11 20 18 10
3 Wrong labelling 3 3 1 2 0 4 5
4 Broken 0 3 0 3 0 3 0
5 Wrong date 20 16 15 20 18 16 18
6 Wrong packaging 0 8 0 4 3 4 5
7 Lack of components 17 11 12 10 17 19 24
8 Too short 1 0 4 0 4 2 3
9 Excess of components 69 57 58 55 62 59 65
10 Wrong components 5 1 7 2 4 6 1
TOTAL DEFECTS
(a) Draw the control chart that shows the evolution of the rate U= defects/unit (in %) in one week. If the same number of units are checked every day and
the goal is 1.5%, are we achieving the expectations?
(b) Construct the Pareto Chart and sort the defects in three groups according to the frequency.
One of the most common problems is related to the length of the product. A sample of 50 units (10 groups of 5 elements) is taken.
If the specification is 10+0.5, do you think that the process is making parts longer than usual?
1 2 3 4 5 6 7 8 9 10
10 10.1 10.2 10.2 10 10.3 10.2 10.1 10 10.3
10.2 10.3 9.9 9.8 10.1 10.2 10 10.1 9.9 10.1
10.3 10 10.1 10 10.2 10.1 10.1 10 10.3 10
9.8 9.9 10.3 10.1 10 10.4 9.8 10.1 10.1 10.2
10.1 10.2 10.4 10 9.9 9.7 10 9.8 10.4 9.9
(c) Compute the average of data, draw the control chart of the 10 groups and the histogram of 50 units to justify your answer.
Checking for possible causes that explain the problem, the manager concludes that the machinery is old, and the maintenance is poor.
(d) Suggest an Action Plan with several solutions to fix the problem.

Sample Answer

Compelling correspondence is essential to the achievement all things considered but since of the changing idea of the present working environments, successful correspondence turns out to be more troublesome, and because of the numerous impediments that will permit beneficiaries to acknowledge the plan of the sender It is restricted. Misguided judgments.In spite of the fact that correspondence inside the association is rarely completely open, numerous straightforward arrangements can be executed to advance the effect of these hindrances.

Concerning specific contextual analysis, two significant correspondence standards, correspondence channel determination and commotion are self-evident. This course presents the standards of correspondence, the act of general correspondence, and different speculations to all the more likely comprehend the correspondence exchanges experienced in regular daily existence. The standards and practices that you learn in this course give the premise to additionally learning and correspondence.

This course starts with an outline of the correspondence cycle, the method of reasoning and hypothesis. In resulting modules of the course, we will look at explicit use of relational connections in close to home and expert life. These incorporate relational correspondence, bunch correspondence and dynamic, authoritative correspondence in the work environment or relational correspondence. Rule of Business Communication In request to make correspondence viable, it is important to follow a few rules and standards. Seven of them are fundamental and applicable, and these are clear, finished, brief, obliging, right, thought to be, concrete. These standards are frequently called 7C for business correspondence. The subtleties of these correspondence standards are examined underneath: Politeness Principle: When conveying, we should build up a cordial relationship with every individual who sends data to us.

To be inviting and polite is indistinguishable, and politeness requires an insightful and amicable activity against others. Axioms are notable that gracious “pay of graciousness is the main thing to win everything”. Correspondence staff ought to consistently remember this. The accompanying standards may assist with improving courtesy:Preliminary considering correspondence with family All glad families have the mystery of progress. This achievement originates from a strong establishment of closeness and closeness. Indeed, through private correspondence these cozy family connections become all the more intently. Correspondence is the foundation of different affiliations, building solid partners of obedient devotion, improving family way of life, and assisting with accomplishing satisfaction (Gosche, p. 1). In any case, so as to keep up an amicable relationship, a few families experienced tumultuous encounters. Correspondence in the family is an intricate and alluring marvel. Correspondence between families isn’t restricted to single messages between families or verbal correspondence.

It is a unique cycle that oversees force, closeness and limits, cohesiveness and flexibility of route frameworks, and makes pictures, topics, stories, ceremonies, rules, jobs, making implications, making a feeling of family life An intelligent cycle that makes a model. This model has passed ages. Notwithstanding the view as a family and family automatic framework, one of the greatest exploration establishments in between family correspondence centers around a family correspondence model. Family correspondence model (FCP) hypothesis clarifies why families impart in their own specific manner dependent on one another ‘s psychological direction. Early FCP research established in media research is keen on how families handle broad communications data. Family correspondence was perceived as an exceptional scholastic exploration field by the National Communications Association in 1989. Family correspondence researchers were at first impacted by family research, social brain science, and relational hypothesis, before long built up the hypothesis and began research in a family framework zeroed in on a significant job. Until 2001, the primary issue of the Family Communication Research Journal, Family Communication Magazine, was given. Family correspondence is more than the field of correspondence analysts in the family. Examination on family correspondence is normally done by individuals in brain science, humanism, and family research, to give some examples models. However, as the popular family correspondence researcher Leslie Baxter stated, it is the focal point of this intelligent semantic creation measure making the grant of family correspondence special. In the field of in-home correspondence, correspondence is normally not founded on autonomous messages from one sender to one beneficiary, yet dependent on the dynamic interdependency of data shared among families It is conceptualized. The focal point of this methodology is on the shared trait of semantic development inside family frameworks. As such, producing doesn’t happen in vacuum, however it happens in a wide scope of ages and social exchange.

Standards are rules end up being followed when performing work to agree to a given objective. Hierarchical achievement relies significantly upon compelling correspondence. So as to successfully impart, it is important to follow a few standards and rules. Coming up next are rules to guarantee powerful correspondence: clearness: lucidity of data is a significant guideline of correspondence. For beneficiaries to know the message plainly, the messages ought to be sorted out in a basic language. To guarantee that beneficiaries can without much of a stretch comprehend the importance of the message, the sender needs to impart unmistakably and unhesitatingly so the beneficiary can plainly and unquestionably comprehend the data.>

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