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2. You plan to conduct a survey to discover what proportion of the workforce has two or more jobs. You decide to construct a 96% confidence interval. a. A pilot study reveals that 5 of the 50 sampled hold two or more jobs. Furthermore, it is found that the sample proportion must be within 1% of the population proportion. How many people in the workforce should be interviewed to meet your requirements? b. Suppose the pilot study in part "a" is not known. Determine how many people in the workforce should be interviewed to meet your requirements? c. Compare the samples sizes in parts a and b? WHAT DO YOU LEARN