You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95% confidence level and a margin of error of 4%. A pilot survey reveals that 6 of the 52 sampled hold two or more jobs. (Use z Distribution Table.) How many in the workforce should be interviewed to meet your requirements? (Round z-score to 2 decimal places. Round up your answer to the next whole number.)
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You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95% confidence level and state that the estimated proportion must be within 4% of the population proportion. A pilot survey reveals that 8 of the 52 sampled hold two or more jobs. (Use z Distribution Table.) How many in the workforce should be interviewed to meet your requirements? (Round the z-values to 2 decimal places. Round up your answer to the next whole number.)
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