document.write( "Question 1116066:
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document.write( "A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the value of the test statistic. \r
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document.write( "A drug company claims that over 90% of all physicians recommend their drug. 800 physicians were asked if they recommend the drug to their patients. 39% said yes. H0: p = 0.9.\r
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document.write( "a.-96.17
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document.write( "b.-48.08
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document.write( "c. -62.51
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document.write( "d. -43.27\r
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Algebra.Com's Answer #731134 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! test stat is (phat-p)/sqrt(p*(1-p)/n) \n" ); document.write( "z=(-0.51)/0.0106 \n" ); document.write( "=-48.08 \n" ); document.write( "B \n" ); document.write( " |