document.write( "Question 936653: A poll of 1,068 adult Americans reveals that 52% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 significance level, test the claim that more than half of all voters prefer the Democrat.\r
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document.write( "I have no idea how to solve this can someone please help with the steps? \n" );
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Algebra.Com's Answer #570117 by ewatrrr(24785) You can put this solution on YOUR website! Ho: p = 0.50 \n" ); document.write( "Ha: p > .50 (claim) \n" ); document.write( ".... \n" ); document.write( "A poll of 1,068 adult Americans, p = .52 \n" ); document.write( "..... \n" ); document.write( "test stat:: z(.52) = .02/sqrt[0.5*0.5/1068] = 1.3072 \n" ); document.write( "....... \n" ); document.write( "p-value = P(z > 2.6144) = .10 \n" ); document.write( ".10 > .05, \n" ); document.write( "Ho accepted \n" ); document.write( "test results do not support the claim. \n" ); document.write( " |