A Work Sampling Study Requires an Acceptable Error Level of 10

question 56

Multiple Choice

A work sampling study requires an acceptable error level of 10 percent and z = 2 for 95.45 percent confidence.The adequate sample size is ________ if the sample proportion is thought to be as large as 50 percent,but ________ if the sample proportion is thought to be about 20 percent.

• A)50;20
• B)100;64
• C)100;16
• D)20;50
• E)200;80

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