document.write( "Question 1031032: According to Chebyshev's theorem, 36% lie between ___ and ___ if mean is 42 and standard deviation is 12 \n" ); document.write( "
Algebra.Com's Answer #645786 by robertb(5830)\"\" \"About 
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Between 27 and 57.
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\n" ); document.write( "\n" ); document.write( "Chebyshev's Theorem says that \"P%28abs%28X+-+mu%29+%3C=+k%2Asigma%29=+P%28abs%28X+-+42%29+%3C=+12k%29+%3E=+1-1%2Fk%5E2\" for any distribution with mean \"mu\" and standard deviation \"sigma\".\r
\n" ); document.write( "\n" ); document.write( "To find k, let \"1+-+1%2Fk%5E2+=+0.36\"\r
\n" ); document.write( "\n" ); document.write( "==> \"0.64+=+1%2Fk%5E2\" ==> \"k%5E2+=+1%2F0.64\" ==> k = 1.25.\r
\n" ); document.write( "\n" ); document.write( "==> \"abs%28X+-+42%29+%3C=+12%2A1.25\" ==> \"abs%28X+-+42%29+%3C=+15\"\r
\n" ); document.write( "\n" ); document.write( "==> \"-15+%3C=+X+-+42+%3C=+15\" ==> \"27+%3C=+X+%3C=+57\".
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