How large the sample is required to be confident
The pollster wants to evaluate proportion of United States voters who favor capital punishment. How large the sample is required to be 90% confident that sample proportion will not vary from true proportion by more than 4%.
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Determine value of x (rounded to nearest item) which maximizes revenue and determine max revenue (rounded to nearest dollar).
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How large the sample is required to be 90% confident that sample proportion will not vary from true proportion by more than 4%.
Amount of area covered by blackberry bushes in the park has been increasing by 12% each year. It is evaluated that area covered in 2009 was 4,500 square feet. Find area that will be covered in 2020.
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The car was worth at $38,000 in year 2003. Value depreciated to $11,000 by year 2009. suppose that car value continues to decrease by same percentage. Determine the value be in the year 2013?
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