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Problem: A company that has 250 employees chooses a committee of 14 to represent employee retirement issues. When the committee is? formed, none of the 56 minority employees are selected.
?(a) Use technology to find the number of ways 14 employees can be chosen from 250.
?(b) Use technology to find the number of ways 14 employees can be chosen from 194 nonminorities.
?(c) What is the probability that the committee contains no minorities when the committee is chosen randomly? (without bias)?
?(d) Does your answer to? (c) indicate that the committee selection is? biased? Explain your reasoning.
What confidence level would you assign to the procedure in your example; that is, what percentage of the time do you think it produces your desired result?
Skywest Airlines is a regional carrier providing jet service to smaller airports for American Airlines, United, and Delta. This project will consider one route that Skywest operates for United Airlines:
If a sample of 64 fish yields a mean of 3.4 pounds, what is probability of obtaining a sample mean this large or larger?
Compute expected value for each of three actions and find out if manager must accept, further analyze, or reject the lot? Determine expected value of perfect information (EVPI)?
In Problem 14 we collected a balanced RSS of 96 subjects from the NHANES III population using a set size of k = 6 and arm circumference as the auxiliary variable to perform the judgment rankings with the goal of making inferences about the BMI for..
a. A scatterplot was used to see how core body temperature changed over time.
The Small Business Administration's Center for Women's Business Research indicated 30% of private firms had female owners, 52% had male owners.
Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates?
Assume Time Warner shares have a market capitalization of $50 billion.
Explain the limitations presented by the study population and sample size used. Support your explanation with examples from the study. Discuss the advantages and disadvantages of the type of statistical analysis used.
In a known population of children, aggression is normally distributed with a µ=25, and s=12.
Review the list of identified causes and effects that you generated in Week 6. Analyze causes and effects of a problem/issue. Apply research to critical analysis of problem/issue.
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