Based on the MiniMax Regret Method, what is the value for the Decision Alternative Sell software on own Submit Answer format: Number: Round to: 0 decimal places.
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- ClairLinx Wireless, a start-up cell phone company, has divided its market of potential customers into three major groups: single, working; married, working; and retired. ClairLinx surveyed 500 potential customers and asked each, "Of the following, which do you consider to be the most important feature in a cell phone service plan: free nights and weekends, free long distance and roaming, or free calls to customers with the same company?" Each of the 500 potential customers in the survey was categorized according to the service plan feature she considers most important and the customer group in which she appears. The data are summarized in the contingency table below. In the cells of the table are the respective observed frequencies, and three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, type of potential customer and choice of service plan feature, are independent. Round the responses to at least two decimal places. Note:…ClairLinx Wireless, a start-up cell phone company, is trying to decide if it should market specific phone service plans to specific groups of customers. ClairLinx divides its market of potential customers into three major groups: single, working; married, working; and retired. ClairLinx surveyed 500 potential customers (chosen at random) and asked each, "Of the following, which do you consider to be the most important feature in a cell phone service plan: free nights and weekends, free long distance and roaming, or free calls to customers with the same company?" So, there are two variables being considered: type of potential customer ("single, working"; "married, working"; or "retired") and choice of service plan feature ("free calls to other customers", "free nights and weekends", or "free long-distance and roaming"). Each of the 500 potential customers in the survey was categorized according to the service plan feature she considers most important and the customer group in which…Much of the world's diamond industry is located in Africa, with Russia and Canada also showing large revenues from their diamond mining industry. A visual representation of the various shares of the world’s diamond revenues, adapted from Time Magazine,15 is shown below:See Attachmenta. Draw a pie chart to describe the various shares of the world’s diamond revenues.b. Draw a bar chart to describe the various shares of the world’s diamond revenues.c. Draw a Pareto chart to describe the various shares of the world’s diamond revenues.d. Which of the charts is the most effective in describing the data?
- Dr. B has begun collecting survey data from students for his research study about handwashing practices of college students. At the same time, the IRB has just started reviewing his research study application. Dr. B has abided by IRB protocol by having the IRB review his application during the data collection process. Group of answer choices True FalseWhat does Tukey’s test supplies?Economist Arthur Laffer suggests that beyond a certain point, high tax rates depress the economy so much that they actually reduce tax revenues. He proposed tax reductions as a means of stimulating the economy and, as a result, increase tax revenues. In the mid 1990’s Time magazine reported that 30% of the US Congress supported a tax cut as a means of stimulating the economy and increasing tax revenues. Suppose at that time 5 members of congress were randomly selected for an interview and asked whether they supported a tax cut to stimulate the economy. 1.2) Find the probability that at least three of the five members of congress who were interviewed were in favour of a tax cut (rounded off to four decimals).
- A nonprofit organization conducted a survey of 2040 metropolitan-area teachers regarding their beliefs about problems that hamper students' schooling. The following data were obtained. 850 said that lack of parental support is a problem. 850 said that abused or neglected children are problems. 660 said that malnutrition or students in poor health is a problem. 110 said that lack of parental support and abused or neglected children are problems. 100 said that lack of parental support and malnutrition or poor health are problems. 130 said that abused or neglected children and malnutrition or poor health are problems. 20 said that lack of parental support, abuse or neglect, and malnutrition or poor health are problems. What is the probability that a teacher selected at random from this group said that lack of parental support is the only problem hampering students' schooling? Hint: Draw a Venn diagram. (Round your answer to three decimal places.)In a Gallup telephone survey conducted on April 9–10, 2013, the person being interviewedwas asked if he would vote for a law in his state that would increase the gas tax up to20 cents a gallon, with the new gas tax money going to improve roads and bridges andbuild more mass transportation in his state. Possible responses were vote for, vote against,and no opinion. Two hundred ninety five respondents said they would vote for the law,672 said they would vote against the law, and 51 said they had no opinion (Gallup website,June 14, 2013).a. Do the responses for this question provide categorical or quantitative data?b. What was the sample size for this Gallup poll?In a Gallup telephone survey conducted on April 9–10, 2013, the person being interviewedwas asked if he would vote for a law in his state that would increase the gas tax up to20 cents a gallon, with the new gas tax money going to improve roads and bridges andbuild more mass transportation in his state. Possible responses were vote for, vote against,and no opinion. Two hundred ninety five respondents said they would vote for the law,672 said they would vote against the law, and 51 said they had no opinion (Gallup website,June 14, 2013).a. Do the responses for this question provide categorical or quantitative data?b. What was the sample size for this Gallup poll?c. What percentage of respondents would vote for a law increasing the gas tax?d. Do the results indicate general support for or against increasing the gas tax to improveroads and bridges and build more mass transportation?
- wat is the intermdiate demond of the agricultural,manufacutring,and energy sectorCounty school buses are inspected every month for “defects.” In a recent monthly inspection, 27 worn or tornseats were found, 22 buses had dirty floors, there were14 cases of exterior scratches and chipped paint, therewere 8 cracked or broken windows, the engines on 4buses had trouble starting or were not running smoothly,and 2 buses had faulty brakes. Develop a Pareto chart forthe bus inspections and indicate the most significantquality-problem categories. What does this tell you aboutthe limitations of applying Pareto chart analysis. Howmight these limitations be overcome in Pareto chartanalysis?The television show NBC Sunday Night Football broadcast a game between the Coltsand Patriots received a share of 22, meaning that among the TV sets in use, 22% were tuned to thegame (based on Nielson data). An advertiser wants to obtain a second opinion by conducting itsown survey, and a pilot survey begins with 33 households having TV sets in use at the time of thatsame NBC Sunday Night Football broadcast.Find P(X≤6)=?
