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Please complete the following:
A. Identify the population and the sample: A survey of 787 small-business managers found that 72% are optimistic about the future of their company.
b. Determine whether the numerical value describes a parameter or a statistic: 19% of a sample of Indiana 9th graders surveyed smoked cigarettes daily.
c. Determine whether the data are qualitative or quantitative and explain your answer: The zip codes of a sample of 350 residents of nursing homes.
d. Identify which sampling technique was used in the study and explain: Law enforcement officials use a radar gun to measure the speed of every tenth vehicle on an interstate.
The company can either settle out of court for $250,000 or go to court. If the company goes to court and loses, it must pay $825,000 plus $175,000 in court costs. If it wins in court the plaintiffs pay the court costs. Identify the states of natur..
what is the post-test probability of disease being present in a patient with a positive test result for test A if a cutoff value of 4.0 mg/ml is chosen?
Answer the following questions using the null hypothesis as "the individual does not have the disease." a. What is the probability of Type I error? (Round your answer to 2 decimal places.) b. What is the probability of Type II error? (Round your answ..
With a Rejection Region of 8, 9 or 10, what is the probability of a Type II error, if the job applicant has a probability of identifying the odd sample with p = 0.5?
In a sample of 855 bartenders, 48% heard complaints from persons about work. If the margin of error was 4.4%, what was the confidence level that was used?
Create the indicated confidence interval for population mean µ using a t- distribution.
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
In your own words, define epistemology and ontology. Why are these concepts important to the study of research? How might the concepts influence your future research?
You're a risk manager of ABC company and you are reevaulating your insurance contract. Your insurer has informed you that the expected value of frequency per month for ABC is 2.43.
At the 5% level of significance, can we infer that branch A has a significantly higher proportion of satisfied customers than branch B?
A newspaper ad for a manager trainee position contained the statement "Our manager trainees have a first-year earnings average of $20,000 to $24,000." Do you think that the ad is describing a confidence interval? Explain your answer.
Critically illustrate out the range? What is the arithmetic mean income? What is the population variance?
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