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Suppose that 60 percent of 1000 randomly selected U.S. adults say that they take part in some form of daily activity to keep physically fit. Based on this finding, find a 95 percent confidence interval for the proportion of all U.S. adults who would say they take part in some form of daily activity to keep physically fit. Based on this interval, is it reasonable to conclude that more than 50 percent of all U.S. adults would say they take part in some form of daily activity to keep physically fit?
How would you define research? What is the purpose of business research? How has the Internet changed the quality and quantity of research?
Bob's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go") so it can make decisions regarding the possible construct..
By using R code, Data on last year's sales ( y, in 100,000s of dollars) in 15 sales districts are given in the file sales. This file also contains promotional expenditures(x1, in thousands of dollars), the number of active accounts(x2), the number of..
An internal control policy for an online retailer requires a quality assurance check before a shipment is made. The tolerable exception rate for this internal control is 0.05. During an audit 500 shipping records were sampled from a population of 6,0..
Determine the sample size that makes the margin of error in a 95 percent confidence interval for the proportion of the 1,323 vouchers that were filled out incorrectly equal to .04.
Suppose that 30 people have been asked in a survey about how many hours they spend watching TV per day. Then, use these data to find a 95% confidence interval for the mean amount of time spent watching TV is 1.5 to 3.2 hours. Which statement is NOT t..
The survey indicated that one candidate will get 52% of the vote while his opponent will get 48%. The result has a sampling error of 3%. Given the above data what do you think will be the confidence interval? Do you think that the candidate with 52% ..
Analyze your global leadership concerns for the future. Evaluate your preferred emerging leadership theory. Develop an overview of your individual global leadership strengths. Develop your plans to evolve your individual leadership skills. Tailor you..
Davids ipod has about 10000 songs.the distribution of the play times for these songs is heavily skewed to the right with mean of 225 seconds and a standard deviation of 60 seconds. Suppose we choose an srs of 10 songs from this population and ..
1). Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States as early as 1850, but the domestic coal chemicals industry did not develop until World War I. A modern coal - for - re..
With a visual example please,Explain the concept of sum of squares.
Determine whether the given value is a statistic or a parameter.
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