Reference no: EM13975252
1. According to a utility company, utility plant expenditures per employee were approximately $50,845, $43,690, $47,098, $56,121, and $49,369 for the years 2005 through 2009. Employees at the end of each year numbered 4738, 4637, 4540, 4397, and 4026, respec- tively. Using the annual number of employees as weights, what is the weighted mean for annual utility plant invest- ment per employee during this period?
2. A student scored 90 on the midterm exam, 78 on the final exam, and 83 on the term project. If these three components are weighted at 35%, 45%, and 20%, respectively, what is the weighted mean for her course performance?
3. An observer stands at an overpass and, for each motorcycle that passes below, records the value of x5 the number of riders on the motorcycle.
a. What value would you anticipate for the mode of her data? Why?
b. Would you anticipate that the mean would be greater than or less than the mode? Why?
c. Would you anticipate that the mean would be greater than or less than the median? Why?
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Identify an organization that operates domestically
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Lebron and dwayne enter into a contract for the sale
: Flow R Now (Now) contracts to deliver 1000 boxes of long stemmed roses to Flow R Shop (Shop) on February 9, 2012. The roses are to be 20-inch stem. Each box has 20 roses and each box costs $20.
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Seven most-visited shopping websites
: During July 2005, the seven most-visited shopping websites (with number of visitors, in millions) were: eBay (61.7), Amazon (42.0), Wal-Mart (22.6), Shopping.com (22.4), Target (20.5), Apple Computer (17.4), and Overstock.com (17.2). Consider..
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What is the cost per percent reduction in cholesterol
: How much did it cost, per person screened, for the initial cholesterol testing? Remember that each provider on site incurs costs to travel form the health department to the site and back.
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Weighted mean for course performance
: A student scored 90 on the midterm exam, 78 on the final exam, and 83 on the term project. If these three components are weighted at 35%, 45%, and 20%, respectively, what is the weighted mean for her course performance?
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Alan loved antique clocks and had a very impressive
: Alan loved antique clocks and had a very impressive, expensive collection. His grandfather had given him his first one, and at 44 years of age he now had 126 rare clocks worth well over $560,000 in total. Alan saw an ad on Craigslist for a clock th..
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Traditional land lines and have gone completely wireless
: What is Apple’s stock (Iphones & Ipads) selling for now and how does it relate to their stock price 15 years ago? Would you be happier with a stock portfolio containing Apple and Motorola as opposed to Sprint and BellSouth? How many of us have aband..
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What is the probability that the net present value
: What is the probability that the net present value of the project is negative? Find the standard deviation of the net present value of the project.
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Problem regarding the maximum life spans
: A reference book lists the following maximum life spans (in years) for animals in captivity: Source: The World Almanac and Book of Facts 2009, p. 329.
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