In a survey of its customers, a local tire shop found that 52% of its customers are satisfied with its services and 47% are not. The sample size was 250.

A.) What percentage of customers do you believe are satisfied with this service? USe 95% confidence interval.

B.) Use 99% confidence interval and interpret your results. What would you suggestion be to the manager?

4. The proportion of customers who are completely satisfied in a recent satisfaction

survey of 300 customers at XYC Inc. is found to be 0.26. (6 points)

1. Test the hypothesis that the population proportion of customers who are completely satisfied is greater than 0.22 using the critical value approach and a 0.05 level of significance.
2. Test the hypothesis that the population proportion of customers who are

completely satisfied is less than 0.30 using the p-value approach and a

0.05 level of significance.

3. Test the hypothesis that the population proportion of customers who are completely satisfied is different from 0.24 using the p-value approach and a 0.05 level of significance.

Q1. There are ten customers and two cafes A and B. Customers want to purchase from the cafe with fewer customers. A customer’s payoff when purchasing from cafe A is −mA, where mA is the number of customers excluding herself purchasing from A. A customer’s payoff when purchasing from cafe B is −mB, where mB is the number of customers excluding herself purchasing from B. a. Find a pure-strategy Nash equilibrium of this game. Prove that it is a Nash equilib- rium. b. Suppose each player chooses cafe A with probability 1/2 and cafe B with probability 1/2. Show that this is a (mixed-strategy) Nash equilibrium. c. Compare the expected number of customers for each cafe in the pure-strategy and mixed-strategy Nash equilibria. (Remember to show all working)

Dell

In January 2006, Dell, the world’s largest computer maker, announced plans to setup its fourth call center in India. The company already employs over 10,000 people in its Indian call centers, which provided a telephone help desk service to its many thousands of customers around the world. Like many other Western companies, Dell was attracted to India by the abundance of low-cost English-speaking workers, many of whom are well qualified and highly IT literate. Locating call centers in India sounds like a good deal all round. Customers get access 24 hours a day, 7 days a week wherever they are in the world, companies are able to reduce costs, and workers in a developing country get jobs.

However, not everyone is happy. Niels Kjellerup, Publisher and Editor of The Call Centre Managers Forum, an online chat room for call center managers, argues that the rush to outsource customer contact operations to cheaper locations has resulted in the worst of management practices in US and UK call centers being exported as ‘World Class Call Centre Practice’ in countries like India. He says that too often what is seen in India is bad customer service delivered cheaply. He claims that many Indian call centers are run as sweatshops with intelligent people being treated like cattle. Call center managers with little or no previous experience adopt ‘idiotic vendor measures’ such as ‘how many calls’ and ‘how short’, which simply result in the delivery of poor levels of customer service.

Agents are required to work nine and a half hours a day, but typically work anywhere from 12 to 16 hours. Processing 28 calls an hour is mandatory. Another target is to ensure that no customer calls back within seven days. The informant claimed that there are few, if any allowances for time off, even for doctor visits, sick days or handling family emergencies.

Question 3 (35 marks, maximum 300 words)

Globalization increases connections among people around the globe, both narrowing and widening the differences between them in various ways. On the one hand, increases in trade and communication bring closer awareness among consumers and workers of many brands and businesses’ activities, but on the other hand, it has negative effects on the global marketplace.

Required: Discuss the key negative effects of the global marketplace. Support your answers with examples in relation to Dell.

what is the difference between the three types of down syndrome and where is the difference in details?

Three train carriages, A, B and C, are on the same track with B between A and C. They all have the same mass, ?, and B is coupled with C. The coupling can be described as a massless spring with the spring constant ?. B and C stand still on the track, while A moves towards B at a constant speed ?0.
A abuts B and undergoes a completely elastic collision. What is the maximum compression of the spring in the clutch?

Previous question
Three train carriages, A, B and C, are on the same track with B between A and C. They all have the same mass, ?, and B is coupled with C. The coupling can be described as a massless spring with the spring constant ?. B and C stand still on the track, while A moves towards B at a constant speed ?0.
A abuts B and undergoes a completely elastic collision. What is the velocity of A (??), B (??), and C (??) at the moment immediately after the collision?

What are the differences between the three types of reaction injection molding processes?

i) Discuss the differences that exist between the three types of service entities.