document.write( "Question 261920: mean relative increase in stock price was about .83%, with a standard deviation of .20% \r
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document.write( "According to Chebyshev's theorm at least 84% lies between what two numbers.\r
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document.write( "I understand the theorm is supposed to be 2.5 Standard deviations but I don't see how that number is reached using the Formula. I get cought on the Algebra when the numbers are simplified to the point of
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document.write( "1-(1/K^2) = 0.84
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document.write( "1/k^2 = .16\r
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document.write( "what is done to make this so, \n" );
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Algebra.Com's Answer #193278 by stanbon(75887) ![]() You can put this solution on YOUR website! According to Chebyshev's theorm at least 84% lies between what two numbers. \n" ); document.write( "I understand the theorm is supposed to be 2.5 Standard deviations but I don't see how that number is reached using the Formula. I get caught on the Algebra when the numbers are simplified to the point of \n" ); document.write( "1-(1/K^2) = 0.84 \n" ); document.write( "1/k^2 = .16 \n" ); document.write( "k^2 = 1/0.16 \n" ); document.write( "k = 1/0.4 \n" ); document.write( "k = 2.5\r \n" ); document.write( "\n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |