The article “Poll Finds Most Oppose Return to Draft, Wouldn’t Encourage Children to Enlist” (Associated Press, December 18, 2005) reports that in a random sample of 1000 American adults, 700 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 two-thirds? Use a significance level of .05.
Answer to relevant QuestionsThe poll referenced in the previous exercise (“Military Draft Study,” AP-Ipsos, June 2005) also included the following question: “If the military draft were reinstated, would you favor or oppose drafting women as well ...The article referenced in the previous exercise also reported that 470 of 1000 randomly selected adult Americans thought that the quality of movies being produced was getting worse. a. Is there convincing evidence that fewer ...wA certain pen has been designed so that true average writing lifetime under controlled conditions (involving the use of a writing machine) is at least 10 hours. A random sample of 18 pens is selected, the writing lifetime ...Medical research has shown that repeated wrist extension beyond 20 degrees increases the risk of wrist and hand injuries. Each of 24 students at Cornell University used a proposed new computer mouse design, and while using ...a. What is a for the test procedure that rejects H0 if z = - 1.28? b. If the test procedure of Part (a) is used, calculate b when µ = 9.8, and interpret this error probability. c. Without doing any calculation, explain how ...
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