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According to a 2013 study by the Pew Research Center, 15% of adults in the United States do not use the Internet (Pew Research Centerwebsite, December, 15, 2014). Suppose that 10 adults in the United States are selected randomly.
1. What is the probability that none of the adults use the Internet (to 4 decimals)?
2. What is the probability that 3 of the adults use the Internet (to 4 decimals)?
3. What is the probability that at least 1 of the adults uses the Internet (to 4 decimals)?
List at least 3 qualitative attributes of the snack food about which they might want to ask consumers. Make sure at least one of them is nominal.
a new operating system is installed at every workstation at a large company. the claim of the operating system
Suppose a sequence of independent trials is performed where each trial results in either success or failure. Suppose X=the number of failures before the first success, with p=probability of success on any one trial.
Case study on Page 635-636 of the text BOOK: (Anderson, Sweeney, Williams, Essentials of Modern Business Statistics w/ Microsoft Excel, 5th ed., South-Western College Pub, ISBN 978-0840062383 )Alumni Giving.
Which distribution should be used to create 80% confidence interval?
female undergraduates in randomized groups of 17 took part in a self-esteem study. the study measured an index of
Determine the regression line. What do the coefficients tell you about the relationship between the two variables? Does it appear that the errors are normally distributed? Explain.
Perform risk response planning for your project by creating detailed risk response plans for those risks needing responses. This should include both proactive responses and reactive contingency plans as appropriate.
Think of a major decision you have made. What factors helped you to make that decision? How can you relate a Type I or Type II error to your decision? What were the ramifications of the decision
1. The president of State University wants to forecast student enrollment for Year 3. Using exponential smoothing with trend, the forecast for the current year (Year 1) is 20,000.
the manager of a video library would like the variance of the waiting times of the customers not to exceed 2.30
In a study of 82 young (under the age of 32) drivers, 39 were men who were ticketed, 11 were men who were not ticketed, 8 were women who were ticketed, and 24 were women who were not ticketed (based on data from the Department of Transportation).
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