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Mathematics, 25.12.2019 00:31, genesist720
There are 50,000 households in a certain city. the average number of persons aged 16 and over living in each household is known to be 2.38, the sd is 1.87. a survey organization plans to take a simple random sample of 400 households and interview all persons age 16 and over living in the sample households. the total number of interviews will be or so.
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There are 50,000 households in a certain city. the average number of persons aged 16 and over living...
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