document.write( "Question 617133: Assume that average annual salary for a worker in th u.s. is $39,000 and the annual annual salary for americans are normally distributed with a standard deviation equal to $7,000 find the following A) what percentage of americans earn below $25,000 B) what percentage of americans earn above $44,000 \n" ); document.write( "

Algebra.Com's Answer #388155 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "Assume that average annual salary for a worker in th u.s. is $39,000 and the
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document.write( " annual annual salary for americans are normally distributed with a SD = $7,000
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document.write( " P(X<25) = P(z < -2)  NORMSDIST (-2) = .0228,   2.28%
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document.write( "P(X >44) = 1- P(z < (44,000 - 39,000)/7000) = 1 - P(z< .7143) = 1- .7325 = .2375,  %  \n" );
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