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1.A credit card company is interested in the average balance tht is carried by its college aged card holders. They are particularly interested in whether the average balance of the college aged cardholders is significantly different from that of the cardholders who are in their early 20s, who have an average balance of $1385. A sample of 40 college aged card holder accounts reveals an average balance of $1250 and a SD of $350.
If you were to set up a set of hypotheses for this situation, what woiuld the null and alternative be?
2. In the above mentioned question, what is your decision at alpha=0.01. Justify your answer.
Answer: The college aged users arent different since the Z statistic = -2.44.
3. A survey was conducted by careerbuilder.com to see what percent of managers viewed emotional intelligence as important. Their goal was to create a 95% confidence interval with a margin of error of 1.9 percentage points. How many managers should they have sampled?
Answer: 2661
Why?
4. The results from the above survey were reportedd on August 18,2011 and stated that 34% of hiring managers said they are placing greater emphasis on emotional intelligence. The article used 2662 US hiring managers in the survery. Using this information create a 95 % confidence interval for the results.
Answer: 0.322, 0.358
The General Store at State University is an auxiliary bookstore located near the dormitories thatsells academic supplies, toiletries, sweatshirts and T-shirts, magazines, packaged food items, and canned soft drinks and fruit drinks.
A diet is being prepared for University of Arizona dorms. Objective is to feed students at least cost, but diet must have between 1,800 also 3,600 calories.
company will offer staples and frozen foods in a large metropolitan area and then deliver them within a customer-defined window of time. You plan to partner with two major food stores in the area
Time to service for a customer is exp1ntially distributed with a mean of 15 minutes. Illustrate what is total time in system for this service. Determine average number of people waiting for service.
Should employers be allowed to monitor employees in the workplace? Should distinctions be made based on whether it is monitoring computers
Identify the initial steps you have taken to put your plan in action. Dose this case suit for the research of contingencies for cost also time estimate. Can you tell me more about the contingency estimate.
What are the four approaches for staffing for global operations? What are their advantages and disadvantages?
Preparing an order and receiving a shipment of flour involves a cost of $10 per order. Annually carrying costs are $75 per bag. What is the average number of bags on hand?
M. Cotteleer Electronics supplies microcomputer circuitry to a company that incorporates microprocessors into refrigerators and other home appliances.
which parts of the strategic management process do you think are most difficult, and why? Given the importance of strategic management, why do so many strategies fail?
Identify one example of a resource with a very low average utilization rate, and a second example with a very high average utilization rate.
Elucidate how would you present the recommendations also illustrate what data also tools would you use during the presentation.
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