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The employees of a company were surveyed on questions regarding their educational background and marital status. Of the 900 employees, 590 had college degrees, 120 were single, and 80 were single college graduates. Find the probability that an employee of the company is married and has a college degree.
a) 0.40b) 0.57c) 0.64d) 0.70
I know that the answer for this question is B, but I want to know why the other choices were incorrect and why B is the correct answer? Explain please?"
After 1,000-trial simulation, examine statistical information generated and compare output of simulation with your findings in Problem .Briefly describe the significant similarities and differences.
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Reject H0 at β β = .01; there is evidence of a difference between the mean voter turnouts for urban, suburban, and rural precincts.
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Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
Create a 95% confidence interval for mean cost of repairs. Interpret this interval.
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