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1. A poll found that in a random sample of 1000 American adults, 720 indicated that they oppose the reinstatement of a military draft. Is there convincing evidence that the proportion of American adults who oppose reinstatement of the draft is greater than 0.7? Use a significance level of 0.05. (Round your test statistic to two decimal places and your P-value to four decimal places.)
2. 331 of 574 randomly selected U.S. adults interviewed said they would not be bothered if the National Security Agency collected records of personal telephone calls they had made. Is there sufficient evidence to conclude that a majority of U.S. adults feel this way? Test the appropriate hypotheses using a 0.01 significance level. (For z give the answer to two decimal places. For P give the answer to four decimal places.)
records indicate that on average 3.2 breakdowns per day occur on an urban highway during the morning rush hour.
let x represent the number that occurs when a green die is tossed and y the number that occurs when a red die is
let xsub1 and xsub2 be two continous random variables having the joint probability densityfxsub1xsub2 4xsub1xsub2 for
a sample of size 200 from population 1 has 50 successes. a sample of size 200 from population 2 has 40 successes. what
Evaluated that there is a 95% probability of only slight losses of around $1 million. Using decision tree analysis, determined whether bank must install new power generator.
If a proposal evaluator randomly selected two proposals, what is the probability that both of them met the specified?
From the calculator manufacturer?s point of view, which type of error would be considered more serious and explain why? From the printed circuit supplier?s point of view, which type of error would be considered more serious and explain why?
A case-control study is performed to study the relationship between esophageal cancer and an exposure (exposure A).
question a volunteer ambulance service handles zero to three service calls on any given day. the probability
between 4 and 9 pm cars place orders at the drive through window of the tiki takeout restaurant once every 5
If 45 houses are randomly selected, what is the probability that four of the houses will be burglarized? Is this a binomial experiment? Explain how you know.
As the price of oil rises, there is increased worldwide interest in alternate sources of energy. A Financial Times/Harris Poll surveyed people in six countries to assess attitudes toward a variety of alternate forms of energy
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