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In a 2003, a preliminary study showed that 20% of Americans smoke. At 99% confidence, What would be an appropriate sample size to find out the proportion of American adults who smoke, if you want a margin of error of 2%
Business Economics, Economics
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In a large university, 68% of students live in dormitories. A random sample of 14 students is selected. What is the probability that the sample contains more than five students who do not live in the dormitories?
Can you please assist with this. The stock price distribution is skewed to the right. The mean is $5 and the standard deviation is $6. At least what proportion of prices is located between 1.5 standard deviations. Hint: ...
Assume P = 65 - 2Q. The cost per additional unit (MC) is zero for the first five units, and then $5 per unit after that. There are fixed costs of $50. Once the optimal level of output is determined, how much profit does ...
A researcher is interested in the relationship between leisure time physical activity, diet, extracurricular activities and hours of sleep with cardiovascular fitness in children ages 6 through 12. She will recruit 100 c ...
Why would the Australian government debt be consider not too high?
A survey of 455 citizens found 304 of them favor a new bill introduced to the city. We want to find a 95% confidence interval for the true proportion of the population who will favor the bill. What is the lower limit of ...
Consider the following estimated regression model relating annual salary to years of education and work experience. Estimated Salary=11,756.80+2723.3(Education)+1092.64(Experience) Suppose an employee with 11 years of ed ...
What type of exchange rate is associated with a higher probability of experiencing a crisis? Why?
The attractiveness of a country as a market or investment site depends on balancing the likely long-term benefits of doing business there, against the likely costs and risks. What do you consider are the determinants of ...
With smaller companies saving thousands and larger companies saving billions through flexible manufacturing, if you are a discrete parts manufacturer seeking to be more lean, it is important to consider whether this migh ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
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