Question: A work sampling study requires an acceptable error level of 7 percent and 90 percent confidence. a. What is the required sample size if

A work sampling study requires an acceptable error level of 7 percent and 90 percent confidence. a. What is

A work sampling study requires an acceptable error level of 7 percent and 90 percent confidence. a. What is the required sample size if the sample proportion busy is 50 percent? b. What is the required sample size if the sample proportion busy is 20 percent?

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