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Chapter 1 An Introduction to Management Science
Chapter 1: An Introduction to Management Science
Question 1 (5 points): Micromedia offers computer training seminars on a variety of topics. In the seminars each student works at a personal computer, practicing the particular activity that the instructor is presenting. Micromedia is currently planning a two-day seminar on the use of Micro- soft Excel in statistical analysis. The projected fee for the seminar is $600 per student. The cost for the conference room, instructor compensation, lab assistants, and promotion is $9600. Micromedia rents computers for its seminars at a cost of $120 per computer per day.
Solution
Question 2 (5 points): Preliminary plans are under way for the construction of a new stadium for a major league baseball team. City officials have questioned the number and profitability of the luxury corporate boxes planned for the upper deck of the stadium. Corporations and selected individuals may buy the boxes for $300,000 each. The fixed construction cost for the upper- deck area is estimated to be $4,500,000, with a variable cost of $150,000 for each box constructed.
a)
the profit on each box is $(325,000 -150,000 )=$175000
so to cover the $4,500,000 fixed cost you need
so, there are 26 boxes
b)
The marginal revenue from a one-unit increases in sales is $325,000
The marginal cost (variable cost per box) is $175,000
which indicates a marginal profit of $175,000 for each additional box sold.
Since marginal profit is positive, and all 47 boxes can be sold
it is recommended to build all 47 boxes.
The total profit = 175000(47) –4,500,000 =
$3725000
Chapter 2: An Introduction to Linear Programming
Question 3 (6 points):: Reiser Sports Products wants to determine the number of All-Pro (A) and College (C) footballs to produce in order to maximize profit over the next four-week planning ho- rizon. Constraints affecting the production quantities are the production capacities in three departments: cutting and dyeing; sewing; and inspection and packaging. For the four-week planning period, 340 hours of cutting and dyeing time, 420 hours of sewing time, and 200 hours of inspection and packaging time are available. All-Pro footballs provide a profit of $5 per unit, and College footballs provide a profit of $4 per unit. The linear programming model with production times expressed in minutes is as follows:
A portion of the graphical solution to the Reiser problem is shown in Figure.
a) Feasible region is shaded in the graph
B) Coordinates of extreme points and the corresponding profit are listed
A C Z
Intersection of C1 and A-axis 1,700 0 8,500
Intersection of C2 and C-axis 0 1,680 6,720
Intersection of C2 and C3 800 1,200 8,800
Intersection of C1 and C3 1,400 600 9,400
Point (1400, 600) generates the maximum profit
c) profit line (objective function(z)) is drawn on the graph.
d) Which constraints are binding? Explain
Constraints c1 and c3 are binding, because optimal solution lies at their intersection.
Now the solution point changes to intersection of C2 and C3.
A = 800, C = 1200
Profit = 9200
Question 4
Solve the following linear programming problem using the graphical solution procedure:
Max 5A + 5B
s.t.
1A ≤ 100
1B ≤ 80
2A + 4B ≤ 400
A, B ≥0Let c = 5a + 5b
We are going to maximize c.
Now take the constraint equations…
a < 100
When graphed, this will be the region to the left of the straight line a = 100 and excluding the points lying on the line a = 100. We shade this region.
b < 80
When graphed, this will be the region below the straight line b = 80and excluding the points lying on the line b = 80. We shade this region.
2a + 4b < 400 => a + 2b < 200
First we graph the line a + 2b = 200
To do this, we take points (0, 100) and (200, 0), which lie on the line.
Now, putting x = 0, y = 0 (Test Point), we see that 0 + 0 < 200 is TRUE
Therefore, we shade the region which contains the origin.
The intersection of all the shaded regions is the feasible or solution region.
The maximum value of c lies at one of the corners of the feasible region.
The corners have the coordinates: (40, 80) and (100, 50)
Plug in all these values in c = 5a + 5b. We see that maximum value of c occurs when
a = 100, b = 50
The maximum value of c is 5(100) + 5(50) = 750.
Question 7. The Westchester Chamber of Commerce periodically sponsors public service seminars and programs. Currently, promotional plans are under way for this year’s program. Advertising alternatives include television, radio, and online. Audience estimates, costs, and maximum media usage limitations are as shown.
To ensure a balanced use of advertising media, radio advertisements must not exceed 50% of the total number of advertisements authorized. In addition, television should account for at least 10% of the total number of advertisements authorized.
Question 8
Question 8. The management of Hartman Company is trying to determine the amount of each of two products to produce over the coming planning period. The following information concerns labor availability, labor utilization, and product profitability:
Solutions
Question 9:Consider the following all-integer linear program:
Max 1×1 + 1×2
s.t.4×1 + 6×2 ≤22
1×1 +5×2 ≤15
2×1 + 1×2 ≤ 9
x1, x2 ≥ 0 and integer
a)
B&c)
movie review-Identity Thief
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Movie review
Melissa McCarthy is a renowned American actress in both television and films, she also doubles in as a writer and a producer she has gained tremendous recognition in the field over the last few years. McCarthy realized a major success and fame when she created the Bridesmaids in 2011 which was a comedy hit this film attracted her major a wards in the film industry just to confirm that it was a masterpiece at the time of release. However she has also appeared in other movies including Identity Thief. The theft of identity and impersonation is a serious development in America it is estimated that up to 9 million Americans have their identity stolen annually. This seems to be the major center of attraction to McCarthy during the creation of the film.
Identity Thief has two major characters McCarthy as the corn artist and Bateman as the helpless victim who is determined to bring her down at whatever price. The film is very disorganized in the sense that the role that McCarthy plays was originally designed for a male artist but she assumes the role making it a difficult piece and unconventional. Bateman forms a spitfire team with her because of her exceptional performance in the Bridesmaid. Through the film we can see the contrast between Bateman as a reluctant schmo and McCarthy’s cartoonish, law breaker nature. The movie reveals vividly unlawful drama when the world of the two characters collides; it sinks down in our imagination with a clear understanding of every aspect of the movie as being crime oriented.
It is very unrealistic that Bateman has to trek across the U.S in order to capture McCarthy on his own, his determination is astonishing and surprising too. Moreover a man known as Rodriguez is introduced in the scene as a Latino drug lord who wants McCarthy’s head this sets a stage for a more retrogressive drama because of the diversification of those seeking to bring her down however she is too smart for these guys.
The film is a typical representation of theft of identity going on in America, it has a lot of negative things that comes with it in reality for example it can damage ones identity in the event that one uses it to cause a fraud using a prominent persons identification. It also has the potential of causing damage to a customer’s credit card which in turn can lead to denials when applying for a job or a loan. The theft of identity also causes emotional and psychological distress to the affected individuals. The movie expresses it in a very humorous way that if your identity is stolen by McCarthy it can earn you a punch on the throat.
The movie is not good as expected because there are a couple of times when you have to be momentarily dead so that you don’t burst out in a surprising laughter during the entire time that the movie runs. Everything starts when shrubby guys identity named Sandy Patterson is stolen by a Florida woman named Diana (McCarthy), the local authorities are virtually powerless in dealing with theft of identity cases. He is convinced that he cannot let go off the woman. He therefore decides to move to Florida to hunt the Diana and bring her to book. The man sets on a road trip that attracts a lot of comedy bits and bursts of glory actions.
However the movie has one glorious thing on its side that is Melissa McCarthy she is a star material as disclosed in Bridesmaids her excellence performance is a proof of a movie worth watching. Diana gives a very negative impression to the audience when she spends a lot of Sandy’s money in a bar I in a very comic way. She is very desperate and has no friends she therefore picks all the humor she finds on her way and fills them in her character. You are able to figure out straight a way that this woman dishes out money to people so that she can convince them to care about her. In Bridesmaids it is revealed that Melissa McCarthy has arrived in Hollywood it a proof of the idea that you are a comedian when you are given a simple bunch of materials and you are expected to make it funnier than it should be.
In the movie the Bridesmaids a marriage of genuine people gross out gags, and; sorrow it is a female driven comedy that Judd Apatow invites his friends to experience bridesmaids. Kristen is in charge of the cast and is referred to as Annie who is the maid of honor she leads other maids and her best friend Lillian (Maya Rudolph); the colorful maids include Rose Byrne, McCarthy, Wendi and Ellie Kemper they all have to go through a wild road to the matrimony. Annie’s life seems to be in a mess. Things take another twist when she realizes that his best friend Lillian is engaged. Though loveless and broke Annie had to go through the expensive wedding procedures, she was determined to use any chance available to show Lillian and his bridesmaids how far she was willing to go for the one she loved.
The movie gives a realistic performance as compared to identity thief it presents a lady without any ego at all she is unhappy and single this reflects the reality as opposed to Diana who spends money to buy attention from other people. Anne’s suffering shapes her life into the character that she represents. Anne clings to the bed of a rich man who she considers his best friend (Maya Rudolph). The man plans to get married and as expected in reality this spirals down her life.
The movie has also been prepared to carter for the audience’s senses of humor but in a more practicable way compared to Identity thief. That’s the main aim of inclusion of TV personalities such as Melissa McCarthy who is the funniest of all, she is proud of her weight and what attracts attention is how she throws herself at people in the party. In the end of it all Bridesmaids is touching movie, very natural and fun at the same time just like a reality wedding.
I don’t find a reason to recommend Identity thief because most of the actions have the potential of instigating crime in one’s mind. On the other hand Bridesmaids has basic humor and reflects what is possible in our lives. But if one is interested in watching comedy performances that have been smuggled into the so called remarkable movies then one might find something interesting about it.
Advantages and Disadvantages of Telenursing
Advantages and Disadvantages of Telenursing
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Advantages and Disadvantages of Telenursing
Telenursing is a subset of telehealth that concentrates on the conveyance, administration, and coordination of care and service utilizing information transfers innovation inside the area of nursing. Telenursing attendants utilize the nursing procedure to give forethought to individual patients or characterized patient populaces over a telecom gadget. Imperatively, the nursing methodology and extent of practice are the same in telenursing as in conventional nursing practice. Among the numerous various clinical capacities of telenursing attendants are observing patients with constant infections, helping patients deal with their side effects and co-morbidities, and arranging administer to patients who oblige services from various wellbeing experts.
Telenursing attendants give nursing mind by: (1) utilizing clinical calculations, conventions, or rules to efficiently evaluate patient needs and indications; (2) prioritizing the earnestness of patient needs; (3) teaming up and creating an arrangement of care with the patient and strong orders, which may incorporate proposals for forethought, get back to directions, and training; and (4) assessing conclusions (Hanks, 2010).
Advantages
Telenursing permit experts to counsel one another in regards to patient forethought without the need of going to see patients, sparing time and cash for both human services suppliers and patients. Engineering permits experts to send information, view information, identify with one another professional and team up together to focus the best arrange of administer to the patient being referred to (Mantas, 2002). Wound care is one region that has profited from telenursing. Understanding injuries might be seen remotely on cam, permitting an inaccessible expert to make suggestions in regards to treatment. Catch up is possible on a predictable premise, considering snappier mending of incessant wounds and expanded nature of forethought.
Telenursing offers comfort. Penciling in a lunch-hour visit with the doctor can demonstrate testing, particularly when a can’t-miss telephone call assimilates the majority of your evening. Telemedicine facilitates this issue. Through feature, Web talk, or telephone, specialists can catch up on a remedy or judgment with a doctor they’ve been seeing for quite a long time if that doctor surely gives telenursing services or with another specialist in their system, says Berman, Shipton, Walker, and Kozier (2000). When a patient enrolls, he or she can weigh out another in-system doctor’s experience. The objective of telenursing is to make an encounter that nearly reflects a customary specialist visit.
Telenursing is cost-efficiency. An expanding number of specialists are charging less for a telemedicine counsel than they would for an in-individual visit. Telemedicine can likewise decrease travel costs, as indicated by Mantas (2002). This is particularly valid for those living in provincial groups. Provincial families who would regularly travel hours out of their approach to getting to key wellbeing services can do it from the solace of their lounge chair.
Telenursing promotes safety in healthcare. Patients are no doubt released from the clinic sooner than at any other time in recent memory before; with various medicines and frequently failing to offer the learning they have to nurture their condition satisfactorily (Hanks, 2010). Telenursing permits these patients to return home, which spares cash, however permits them to be backed by an expert until they are well or are dealing with their condition with certainty. Postoperative patients profit from backing, as they frequently have inquiries with respect to what may be “ordinary” that can undoubtedly be taken care of by medical attendants, who can figure out if a patient is encountering a complexity or a typical outcome of their surgery. Telenursing gives a security net to patients who may be battling with dealing with their condition at home, averting intricacies that could bring about being hospitalized once more.
Telenursing guarantees less time in the holding up room. Most people have flipped through that year-old issue of us or People while holding our horses to see our essential care doctor or dental specialist. Telemedicine disposes of this methodology, as per Kinsella (2003). “[Online care] is truly a huge in addition to for our parts. It takes a few minutes to enroll and put your wellbeing history in,” and afterward you are prepared to get the social insurance you require, she says.
Disadvantages
One of the significant impediments of utilizing telenursing from patient’s viewpoint is patient confidentiality. Persistent privacy and the security of private data must be defended, paying little heed to the gathering system used to concentrate data. Security and security is a paramount thought in telenursing, and patients and experts must both feel guaranteed that data is gathered and put away securely (Hanks, 2010).
Telenursing faces electronic glitches. Engineering is just as solid as the electrical current that keeps it running. Severe climate and different disturbances can result in a force blackout or disturb a web association, muddling online discussion with a specialist. Workers ought to remember that preceding planning online visits.
Telenursing faces the issue of inadequate assessment. While being able to interface with your essential forethought doctor or dental specialist is a real additionally, certain non-verbal prompts may at present sneak past the cracks. According to Hanks (2010), there are no restrictions on how you can utilize telenursing, obviously one of the cons is you cannot generally touch or feel the patient.
The majority of the more seasoned patients have an issue with worthiness of this new engineering. Telenursing could be a hard pill to swallow for more seasoned patients who have been unused to machines and innovation as a sidekick to information and practice. As opposed to feeling that they are, no doubt “supplanted” by machines, these experts ought to be swayed to view telenursing and telecom as a subordinate to expert practice (Berman, Shipton, Walker, & Kozier, 2000). Studies have demonstrated that most patients are extremely tolerating of telenursing, yet a few experts have been slower to grasp this innovation. Nevertheless, telenursing is here to stay and will just develop, and experts who grasp new engineering will find that their heap is lightened, and their patients are healthier and more fulfilled by their care.
Telenursing faces the issue of physical resistance. The majority of resistance originates from specialists attempting to agreeably utilize the new engineering, yet this reluctance just expands as such, says Kinsella (2003). “In the meantime, their interest has been settled when they think about on the different ways they may begin to use this technology to manage the patients who have chronic deceases.
Conclusion
Telenursing brings both advantages and disadvantages to both the patients and the professionals. Among the advantages include; sharing of information among professionals, it is cost-efficient, it promotes safety in the healthcare industry, and it guarantees less time in the waiting room. On the other hand its disadvantages include; patients privacy, it faces electronic glitches, faces the issue of inadequate assessment, and physical resistance. Even though there are disadvantages of telenursing according to patient’s perspective, telenursing is here to stay and it is time people accept it as the new form of providing care to the patients.
References
Mantas, J. (2002). Textbook in Health Informatics: A Nursing Perspective. Amsterdam [u.a.: IOSPress [u.a..Hanks, G. W. C. (2010). Oxford Textbook of Palliative Medicine. Oxford: Oxford UniversityPress.
Berman, A., Shipton, S., Walker, H., & Kozier, B. (2000). Fundamentals of Nursing: Concepts,Process, and Practice : Instructor’s Guide. Upper Saddle River, N.J: Prentice HallHealth.
Kinsella, A. (2003). Home healthcare: Wired & ready for telehealth, the nurses’ and students’edition. Kensington, Md: Information for Tomorrow.