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A study by the centers of disease control (CDC) found that 23.3% of smokers are adults and that roughly 70% of those who do smoke indicate that they want to quit (Associated Press, July 26, 2002). CDC reported that, of people who smoked at the point of their lives, 50%, have been able to kick the habit. Part study suggested that the success rose by education level. Assume that a sample of 100 college graduates who smoked at the point of their lives showed that 64 had been able to successfully stop smoking.
a. State the hypothesis that can be used to determine whether the population of the college graduates has a success rate higher that the overall population when it comes to breaking smoking habit.
b. Given the sample data, what is the proportion of college graduates who, having smoked at the point of their lives, were able to stop smoking?
c. What is the p-value? At a=0.01, what is your hypothesis testing conclusion?
M-commerce also known as mobile commerce is being lumped in with several strategic internet plans. Explain some of the industries that are likely to use mobile commerce and how it is working for them.
Dayan's Doorstops, Inc. (DD) is a monopolist in the doorstop industry. Its cost is C = 100 - 5Q + Q2, and demand is P = 55 - 2Q. a. What price should DD set to maximize profit? What output does the firm produce
the number of unemployed workers declined by only 1.1 million. How are these numbers consistent with each other Why might one expect a reduction in the number of people counted as unemployed to be smaller than the increase in the number of people ..
Suppose Y is household income and he is household expenditures on health care. Use the data from the regression output to answer the given question:
Suppose a monopolist can purchase Labor at a price w = 36 and can purchase Capital at a price r = 25. The monopolist's production function is given by Q = L1/2K1/2. The demand facing the monopolist is given by P = 180 - 3Q.
at a price of $1 each, 200 popsicles are sold per day in the perpetually hot town of Rostin. Consider the elasticity of supply. In the short run, a price increase from $1 to $2 is unit-elastic (Es = 1). In the long run, a price increase from $1 to..
Bonds, Totaling $2800 Composed of: Corporate bonds $500 Fully backed mortgage bonds $400 Municipal bonds $ US government bonds $1500 Buildings and furniture $1560 Cash $1200Deposit in the Fed $800 Loans, Totaling
Year Actual 5yr move 3yr exponential exponential demand average avg. smoothing smoothing W=0.9 W=0.3 2000 800 xxxxx xxxxx xxxxx xxxxx 2001 925 xxxxx xxxxx 2002 900 xxxxx xxxxx 2003 1025 xxxxx 2004 1150 xxxxx 2005 1160 2006 1200 2007 1150 2008 1..
Four Seasons Hair Salon is the only women's hair stylist in Lake View. A business consultant has estimated its monthly cost functions as follows: TC = 2000 + 80 Q + 0.05 Q 2 MC = 80 + 0.1 Q The firm is faced with the following demand: Qd = 800 - 4..
The economy of Sonrisa has 1000 people in three income categories: poor, middle class, and rich. The poor ear $500 per year and have to spend it all to meet their consumption needs. The middle class earn $2,000 per year, of which $1,500 is spent a..
A company experiences rising returns to scale; that is, doubling all its inputs more than doubles its output. What can be inferred about the company's short-run costs?
Valtro Electronic Systems, Inc. set aside a lump sum of money 4 years ago in order tofinance a plant expansion now. If the money was invested in a plant expansion now. If money was invested in a 10% per year simple interest certificate of deposit.
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