document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=807675>Question 807675</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Average price of book$75 and s.d is $15 . Find what percent of the math book cost more than $79 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486444 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=486444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Average price of book$75 and s.d is $15 . Find what percent of the math book cost more than $79<BR>\n" );
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document.write( "z(79) = (79-75)/15 = 4/15<BR>\n" );
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document.write( "P(x > 79) = P(z > 4/15) = normalcdf(4/15,100) = 0.3949<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
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