document.write( "Question 387010: Hello,
\n" ); document.write( " My question is: A national test has a mean of 400 and S.D. of 50. What is the prob. a score is greater than 500?\r
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\n" ); document.write( "Amy \n" ); document.write( "

Algebra.Com's Answer #273541 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "*Note: 
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document.write( "  z = 2    NORMSDIST(2) = .97725  using Excel function
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document.write( "  P(z > 2) = 1 - .97725 =.02275
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