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A regression analysis between sales (in $1000) and advertising (in $100) resulted in the following least squares line: y = 75 + 6x. This implies that if advertising is $900, then the predicted amount of sales (in dollars) is
Business Economics, Economics
In the U.S., 82% of police officers have graduated from a police academy. If 300 police officers are chosen at random, what is the probability that at least 75% have graduated from a police academy? Keep intermediate ste ...
Is the company's personality-"harvesting" method ethical? Why, or why not? Should people who attempt to answer the questionnaire be advised, ahead of time, that the data collected from those questionnaires will be used t ...
Your normally distributed population has a mean of 55 and a standard deviation of 6. 95% of individual scores will fall between what 2 values? What percent of scores fall below 49?
What is the result of a price ceiling? And why do some consumers tend to favor price ceilings and others tend to oppose it?
The average number of women in a shelter each night is 250 with a standard deviation of 75. If the city's capacity is 350 people will there be enough beds to meet the demand 95% of the time? How many women will be in the ...
In a certain city, a school administrator hypothesized that students enroll in school within 5 km from their homes. To check this claim you asked 30 student from the said city and you found that the mean distance between ...
What would be the substitution effect and the income effect of a wage increase?
Suppose that, for a given patient, the true EF is 63. Consider the population of EF values that can be estimated on that patient using option II above. That population follows a normal distribution with μ= 63. Find the p ...
Autonomous consumption = 660 Marginal propensity to consume = 0.8 Autonomous taxation = 200 Income tax rate = 0.2 Planned investment = 500 Government spending = 500 Autonomous net exports = 300 NX = 0.04 Calculat ...
For the past 110 ?years, a certain state suffered 28 direct hits from major? (category 3 to? 5) hurricanes. Assume that this was typical and the number of hits per year follows a Poisson distribution. Complete parts? (a) ...
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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
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As