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?
\n" );
document.write( "(Please help!! I need to see how to solve this answer. Thanks.) \n" );
document.write( "
Algebra.Com's Answer #304886 by stanbon(75887) ![]() You can put this solution on YOUR website! 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? \n" ); document.write( "------ \n" ); document.write( "Since E = z*sqrt(pq/n) \n" ); document.write( "--- \n" ); document.write( "n = [z/E}^2*(pq) \n" ); document.write( "----- \n" ); document.write( "n = [1.7507/0.04]^2(0.44*0.56) \n" ); document.write( "--- \n" ); document.write( "n = 472 when rounded up \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |