document.write( "Question 430252: B)If IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.\r
\n" ); document.write( "\n" ); document.write( "- Is it unusual to get a mean IQ score that is less then 97, if 16 IQ scores are randomly selected?. Explain please.
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Algebra.Com's Answer #298799 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "P(<97) then z = -3/15 = -.2 and P(z = -.2) = .4207 or 42% generally are <97
\n" ); document.write( " .42*16 = 6 Not unusual \n" ); document.write( "
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