document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421337>Question 421337</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average price of a computer is $1,200 with a standard deviation of $220. Computer prices are normally distributed. <BR>\n" );
document.write( "a. What is the probability that a randomly selected computer will have a price of at least $1,530?<BR>\n" );
document.write( "b. Computers with prices of more than $1,750 receive a discouint. What is the percentage of computers will receive the discount? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294233 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=294233\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average price of a computer is $1,200 with a standard deviation of $220. Computer prices are normally distributed. <BR>\n" );
document.write( "a. What is the probability that a randomly selected computer will have a price of at least $1,530?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "z(1530) = (1530-1200)/220 = 1.5<BR>\n" );
document.write( "P(x > 1530) = P(z > 1.5) = 0.0668<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "b. Computers with prices of more than $1,750 receive a discouint. What is the percentage of computers will receive the discount?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "z(1750) = (1750-1200)/220 = 2.5<BR>\n" );
document.write( "P(x > 1750) = P(z > 2.5) = 0.0062<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );