document.write( "Question 441918: A report states that 44% of home owners have a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage with 92% confidence?
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Algebra.Com's Answer #304886 by stanbon(75887)\"\" \"About 
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A report states that 44% of home owners have a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage with 92% confidence?
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\n" ); document.write( "Since E = z*sqrt(pq/n)
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\n" ); document.write( "n = [z/E}^2*(pq)
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\n" ); document.write( "n = [1.7507/0.04]^2(0.44*0.56)
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\n" ); document.write( "n = 472 when rounded up
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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