8.33 What are the most preferred forms of recognition in the workplace? In a survey by Office Arrow, 163 of 388 administrative professionals responded that verbal recognition is the most preferred form of recognition, and 74 responded that cash bonuses are most preferred. (Data extracted from “Most Preferred Forms of Recognition at Workplace,” USA Today, May 4, 2009, p. 1B.) a. Construct a 95% confidence interval estimate for the population proportion of administrative professionals who prefer verbal recognition. b. Construct a 95% confidence interval estimate for the population proportion of administrative professionals who prefer cash bonuses. c. Interpret the intervals in (a) and (b). d. Explain the difference in the results in (a) and (b). 8.4 Determining Sample Size In each confidence interval developed so far in this chapter, the sample size was reported along with the results, with little discussion of the width of the resulting confidence interval. In the business world, sample sizes are determined prior to data collection to ensure that the conf
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