A certain company produces and sells frozen pizzas to public schools throughout the eastern United States. Using a very aggressive marketing strategy, they have been able to increase their annual revenue by approxim increased competition has slowed their growth rate in the past few years. The annual revenue, in millions of dollars, for the previous 10 years is shown. Year Revenue 8.63 2 10.84 13.08 4 14.21 5 16.21 17.31 18.37 18.55 9 18.40 10 18.53
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- What is the total effect on the economy of a government tax rebate of $500 to each household in order to stimulate the economy if each household will spend of the rebate in goods and services?In May 2008, CNN reported that Sports Utility Vehicles (SUVs) are plunging toward the "endangered list". Due to soaring oil prices and environmental concerns, consumers are replacing gas-guzzling vehicles with fuel-efficientsmaller cars. As a result, there has been a big drop in the demand for new as well as used SUVs. A sales manager of a used car dealership for SUVs believes that it takes more than 90 days, on average, to sell an sUV. In order to test his claim, he samples 40 recently sold SUVs and find that it took an average of 95 days to sell an SUV. He believes that the population standard deviation is fairly stable at 20 days. Determine if the sales manager's claim is justifiable at 0.05A survey of 131 investment managers in Barron’s Big Money poll revealed the following:● 43% of managers classified themselves as bullish or very bullish on the stockmarket.● The average expected return over the next 12 months for equities was 11.2%.● 21% selected health care as the sector most likely to lead the market in thenext 12 months.● When asked to estimate how long it would take for technology and telecom stocksto resume sustainable growth, the managers’ average response was 2.5 years.a. Cite two descriptive statistics.b. Make an inference about the population of all investment managers concerning theaverage return expected on equities over the next 12 months
- A survey of 131 investment managers in Barron’s Big Money poll revealed the following:● 43% of managers classified themselves as bullish or very bullish on the stockmarket.● The average expected return over the next 12 months for equities was 11.2%.● 21% selected health care as the sector most likely to lead the market in thenext 12 months.● When asked to estimate how long it would take for technology and telecom stocksto resume sustainable growth, the managers’ average response was 2.5 years.a. Cite two descriptive statistics.b. Make an inference about the population of all investment managers concerning theaverage return expected on equities over the next 12 months.c. Make an inference about the length of time it will take for technology and telecomstocks to resume sustainable growth.A survey of 131 investment managers in Barron’s Big Money poll revealed the following:● 43% of managers classified themselves as bullish or very bullish on the stockmarket.● The average expected return over the next 12 months for equities was 11.2%.● 21% selected health care as the sector most likely to lead the market in thenext 12 months.● When asked to estimate how long it would take for technology and telecom stocksto resume sustainable growth, the managers’ average response was 2.5 years.a. Cite two descriptive statistics.Dentists are increasingly concerned about the growing trend of local school districts to grant soft drink companies exclusive rights to install soda pop machines in schools in return for money-usually millions-that goes directly into school coffers. According to a recent study by the National Soft Drink Association, 62% of schools nationally already have such contracts. This comes at a time when dentists are seeing an alarming increase in horribly decayed teeth and eroded enamel in the mouths of teenagers and young adults. With ready access to soft drinks, children tend to drink them all day. That, combined with no opportunity to brush, leads to disaster, dentists say. Suppose that 20 schools around the country are randomly selected and asked if they have a soft drink contract. Find the probability that the number of 'Yes" answers is A. exactly 8 B. at most 8 C. at least 4 D. between 4 and 12, inclusive
- There is some evidence that, in the years−198185, a simple name change resulted in a short-term increase in the price of certain business firms' stocks (relative to the prices of similar stocks). (See D. Horsky and P. Swyngedouw, "Does it pay to change your company's name? A stock market perspective," Marketing Sciencev. 6, pp.−32035,1987.) Suppose that, to test the profitability of name changes in the more recent market (the past five years), we analyze the stock prices of a large sample of corporations shortly after they changed names, and we find that the mean relative increase in stock price was about 0.82%, with a standard deviation of 0.13%. Suppose that this mean and standard deviation apply to the population of all companies that changed names during the past five years. Complete the following statements about the distribution of relative increases in stock price for all companies that changed names during the past five years. a) According to Chebyshev's theorem, at least 56%…There is some evidence that, in the years 1981— 85, a simple name change resulted in a short-term increase in the price of certain business firms' stocks (relative to the prices of similar stocks). (See D. Horsky and P. Swyngedouw, "Does it pay to change your company's name? A stock market perspective," Marketing Science v.6 pp. 320— 35, 1987.) Suppose that, to test the profitability of name changes in the more recent market (the past five years), we analyze the stock prices of a large sample of corporations shortly after they changed names, and we find that the mean relative increase in stock price was about 0.76%, with a standard deviation of 0.12%. Suppose that this mean and standard deviation apply to the population of all companies that changed names during the past five years. Complete the following statements about the distribution of relative increases in stock price for all companies that changed names during the past five years. (a)According to Chebyshev's theorem,…Workers at a particular mining site receive an average of 35 days paid vacation, which is lower than the national average. The manager of this plant is under pressure from a local union to increase the amount of paid time off. However, he does not want to give more days off to the workers because that would be costly. Instead he decides he should fire 10 employees in such a way as to raise the average number of days off that are reported by his employees. In order to achieve this goal, should he fire employees who have the most number of days off, least number of days off, or those who have about the average number of days off? a. He should fire employees who have the most number of days off. b. No matter who he fires, it will not increase the amount of paid time off. c. He should fire employees who have the average number of days off. d. He should fire employees who have the least number of days off.