document.write( "Question 1197155: Based on a recent Gallup poll, 45% of Americans believe that the overall state of moral values in the United States is poor. Assume this percentage holds for the entire population.\r
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document.write( "For a random sample of 200 adult Americans, let X denote the number in the sample who do NOT believe that the overall state of moral values in the United States is poor.\r
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document.write( "Calculate the expected value of X. Round your answer to two decimal places. \n" );
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Algebra.Com's Answer #830287 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Based on a recent Gallup poll, 45% of Americans believe that the overall state of moral values \n" ); document.write( "in the United States is poor. Assume this percentage holds for the entire population. \n" ); document.write( "For a random sample of 200 adult Americans, let X denote the number in the sample \n" ); document.write( "who do NOT believe that the overall state of moral values in the United States is poor. \n" ); document.write( "Calculate the expected value of X. Round your answer to two decimal places. \n" ); document.write( "~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " It is easy problem, and its solution is shorter than its formulation.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " 45% do believe - hence, 100% - 45% = 55% do not believe (we do not count those who has no their own opinion or fluctuate).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " 55% of 200 adults is 0.55*200 = 110 adults.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " ANSWER. The expected value of X is 110.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |