document.write( "Question 430260: D)If IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.\r
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Algebra.Com's Answer #298800 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( " z = (115-100)/15 = 1
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document.write( " P(z=1) = .8413
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document.write( "P(z>1) = 1- .8413 = .1587 \n" );
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