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1. Computer gaming. In order to effectively market elec- tronic games, a manager wanted to know what age group of boys played more. A survey in 2006 found that 154 of 223 boys aged 12-14 said they "played computer or console games like Xbox or PlayStation . . . or games online." Of 248 boys aged 15-17, 154 also said they played these games.
a) Is there evidence that the percentage of boys who play these types of games is different in the two age groups?
b) Give a 90% confidence interval for the difference in proportions.
2. Foreclosure rates. The two states with the highest home foreclosure rates in March 2008 were Nevada and Colorado (realestate.msn.com, April 2008). In the second quarter of 2008, there were 8 foreclosures in a random sample of 1098 homes in Nevada, and 6 in a sample of 1460 homes in Colorado.
a) Is there evidence that the percentage of foreclosures is different in the two states?
elizabeth johnson cpa has completed the audit of notes payable and other liabilities for valley river electrical
Support your answer by measuring growth in sales and selling expenses.
lagerfield company reported the following results from the sale of 4220 hammers in may sales 198340 variable costs
capital project transactions. in 2011 falts city began work to improve cer-tain streets to be financed by a bond issue
you are reviewing the december 31 2011 financial statements of ellies antiques that is considering an initial public
cola company manufactures a product with a standard direct labor cost of 2 hours at 24 per hour. during july 2000 units
Prepare a statement of affairs at the beginning and end of the year and so calcu- late his profit for the year.
Basically, the Estate tax and the Gift tax are a combined system, and are linked together. The question is why? Why does the tax law set up a "unified" system that combines gifts with the estate and has a combined tax that totals estate plus all l..
a four-year investment is expected to produce the cash flows shown below. an investor is willing to pay a price of
wendells donut shoppe is investigating the purchase of a new 18600 donut-making machine. the new machine would permit
What does recognize revenue mean in accounting? What is the matching principle? What is an accrual? What is a deferral?
koreen manufacturing co. has three production departments. koreen allocates maintenance cost to the departments based
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