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Q11) The government mint claims that at least ( 77 % ) of the public is against changing dollar coins for dollar bills. In a
Q11) The government mint claims that at least ( 77 % ) of the public is against changing dollar coins for dollar bills. In a survey of 800 people, 550 said they were opposed to the change. At the ( 5 % ) level of significance, test the mint's claim.
Q12) Nationally ( 60 % ) of Ph.D. students have paid assistantships. An FIU professor thinks at FIU the rate is lower than this. In a random sample of 50 Ph.D. students, 26 have assistantships. Using a 5% significance level, test the FIU professor's claim
Q11) The government mint claims that at least 77% of the public is against changing dollar coins for dollar bills. In a survey of 800 people, 550 said they were opposed to the change. At the 5% level of significance, test the mint's claim. Q12) Nationally 60% of Ph.D. students have paid assistantships. An FIU professor thinks at FIU the rate is lower than this. In a random sample of 50 Ph.D. students, 26 have assistantships. Using a 5% significance level, test the FIU professor's claim
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Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
