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A computer virus which is known to infect 3.5% of files has been detected on your system. You have decided to use a virus checker which is 96% reliable when scanning infected files and 99.2% reliable for files that are not infected. Consider a file which is marked as infected. Knowing that sometimes the test may be wrong, what is the probability that the file is indeed infected with the virus? You must explicitly show the steps you followed to arrive at your answer.
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
A medical test for malaria is subject to some error. Given a person who has malaria, the probability that the test will fail to reveal the malaria is 0.06. Given a person who does not have malaria, the test will correctly identify that the person ..
Find the critical value for t and determine the null and alternate hypothesis.
Most sample surveys use random digit dialing equipment to call residential telephone numbers at random. The telephone polling ?rm Zogby International reports that the probability that a call reaches a live person is 0.2.9 Calls are independent.
in this activity students are asked to design a hypothesis test collect data analyze the data and share a conclusion.
This is my prompt and I need help. I cannot go past the Thoreau position. How can you please help. In "Civil Disobedience" (pg. 161-175), Thoreau asserts that sometimes it may be necessary to break the law.
A researcher hypothesizes that parents with school-aged children are more likely to vote in favor of a referendum increasing public school construct a zero order school referendum attitude table by parenting status?
Prepare a maximum of 4 page report.I want you to use JMP and put those figures in the report and the report has to look like the last years sample report that I put here. Basic concepts of hypothesis testing, What is Statistics
the role of the sample mean x bar in a confidence interval estimate for the population mean is to determine thea.
Explain the differences between longitudinal and cross sectional business research studies. Which two types of probability sampling are best suited for business research and statistical data analysis, and why?
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national exercise rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and find..
What do the results suggest? How might you use this data from this sample size to develop a smoking cessation program at your workplace?
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