document.write( "Question 406302: It has been found that IQ scores are normally distributes with a mean of 108 and a standard deviation of 16 points.\r
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document.write( "A person must score in the upper 2% of the population in an IQ test to qualify for membership in Mensa. What is the minimum score that one has to achieve in order to qualify for Mensa? \n" );
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Algebra.Com's Answer #286748 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! It has been found that IQ scores are normally distributes with a mean of 108 and a standard deviation of 16 points. \n" ); document.write( "A person must score in the upper 2% of the population in an IQ test to qualify for membership in Mensa. What is the minimum score that one has to achieve in order to qualify for Mensa? \n" ); document.write( "---- \n" ); document.write( "Find the z-score with a right-tail of 0.02. \n" ); document.write( "invNorm(0.98) = 2.0537 \n" ); document.write( "--- \n" ); document.write( "Find the corresponding IQ score: \n" ); document.write( "x = zs + u \n" ); document.write( "x = 2.0537*16 + 108 \n" ); document.write( "x = 140.86 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "stan H. \n" ); document.write( " |