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1. In order to judge whether the program is successful, the manager of the supermarket chain in Exercise 21 wants to know the plausible range of values for the mean increase in customers using the program. Construct a 90% confi- dence interval.
2. A new operating system is installed in every worksta- tion at a large company. The claim of the operating system manufacturer is that the time to shut down and turn on the machine will be much faster. To test it an employee selects 36 machines and tests the combined shut down and restart time of each machine before and after the new operating system has been installed. The mean and standard devia- tion of the differences (before - after) is 23.5 seconds with a standard deviation of 40 seconds.
a) What is the standard error of the mean difference?
b) How many degrees of freedom does the t-statistic have?
c) What is the 90% confidence interval for the mean dif- ference?
d) What do you conclude at a = 0.05?
ABC Company purchased a new computer at the beginning of the year at a cost of $1,600. The estimated salvage value is $100. The estimated useful life is 3 years. Complete the schedule below for the 3 years using Straight-Line Depreciation Method.
The current asset section of Guardian Consultant's balance sheet consists of cash, accounts receivable, and prepaid expenses. The 2011 balance sheet reported the following: cash, $1,300,000; prepaid expenses, $360,000; noncurrent assets, $2,400..
On June 1 2011 Sam Near created a new travel agency called Tours-For-Less. Prepare journal entries to record the transactions for June and post them to the accounts
faces au natural corp. a distributor of natural cosmetics is ready to begin its third quarter in which peak sales
Conduct a three factor DuPont analysis for Starbucks and Dunkin' Donuts for 2011 and 2012 end-of-year results. Use the information from financial statements in the 2012 annual reports.
Scott Company's variable expenses are 72% of sales. The company's break-even point in dollar sales is $2,450,000. If sales are $60,000 below the break-even point, the company would report a:
in the month of november a department had 500 units in the beginning work in process inventory that were 60 complete.
Philly Corp's stock recently paid a dividend of $2 per share (Do = $2), and the stock is in equilibrium. The company has a constant growth rate of 5% and a beta of 1.5. The required rate of return on the market is 15%
nbsp1.green leaf nursery has ebit of 250000 interest of 30000 taxes of 50000 and depreciation of 80000. what is the
Prepare a well-reasoned, well-written memorandum to your senior manager addressing the appropriate issues for consideration and then make a recommendation for the best legal structure for Jim's business.
Compute the current break-even point in units, and compareit to the break-even point in units if Alice's ideas areused.
Explain the difference between managing risk in theory and managing risk in practice?
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