8.30 Have you ever negotiated a pay raise? According to an Accenture survey, 52% of U.S. workers have (J. Yang and K. Carter, “Have You Ever Negotiated a Pay Raise?” www. usatoday.com, May 22, 2009). a. Suppose that the survey had a sample size of Construct a 95% confidence interval for the proportion of all U.S. workers who have negotiated a pay raise. b. Based on (a), can you claim that more than half of all U.S. workers have negotiated a pay raise? c. Repeat parts (a) and (b), assuming that the survey had a sample size of d. Discuss the effect of sample size on confidence interval estimation.
Solution ID:10137841 | Question answered on 16-Oct-2016
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