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An executive placement service needs to estimate the average salary of executives placed in a given industry.
A random sample of 40 executives gives x‾ = $42,539 and s = $11,690. Give a 90% confidence interval for the average salary of an executive placed in this industry.
in a clinical trial of a drug used to help subjects stop smoking 812 subjects were treated with 1 mg doses of the drug.
according to the mampm company each package of plain mampms should contain 24 blue 14 brown 16 green 20 orange 13 red
Find the probability that 665 or fewer college students in the sample send and receive text messages with their phones? Is this result unusual?
Assume you have a source program P. It is possible to transform P into an equivalent program P by reformatting P (by adding or deleting spaces, tabs, and line breaks), systematically renaming its variables (for example, changing all occur..
Conduct appropriate descriptive statistical analysis, using selected software, for the given data (include appropriate graphs, if possible). Ensure you include screen shots of the MS Excel analysis.
the corporate lawyer a magazine for corporate lawyers would like to report the mean amount earned by lawyers in their
Researchers testing a new medication find that 7% of users have side effects. To how many pa- tients would a doctor expect to prescribe the medication before finding the first one who has side effects?
a fast food franchiser is considering building a restaurant at a certain loaction. according to a financial analysis a
1. Can you think of some different alternatives that the ODA might consider for control ling the gypsy moths? 2. Describe a decision that you have had to make recently that was difficult. What were the major issues? What were your alternatives? Did..
suppose that x1 x2 x3 x4 and x5 is a random sample from a distribution with density function fx 1theta for 0ltxlttheta.
a researcher conducted a study of the access speed of 45 hard drives and concluded that his maximum error of estimate
More than 5 percentage points in either direction from what would have been got by interviewing all voters in United States." Determine sample size suggested by this statement.
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