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FOR THE NEXT 4 PROBLEMS: You want to estimate the average household income for Ohio. You want the margin of error to be no more

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FOR THE NEXT 4 PROBLEMS: You want to estimate the average household income for Ohio. You want the margin of error to be no more than $1,000. Prior data shows the standard deviation of household income is $30,000. 13. How many households should we sample to achieve the desired margin of error

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