document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647523>Question 647523</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the height of an 18-year-old man selected at random is between 64 inches and 66 inches.\r<BR>\n" );
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document.write( "a. .1597<BR>\n" );
document.write( "b. .2017<BR>\n" );
document.write( "c. .3677<BR>\n" );
document.write( "d. .8403<BR>\n" );
document.write( "e. .3403\r<BR>\n" );
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document.write( "If possible please show me how the problem is solved so maybe I can figure out as well </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406272 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=406272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the height of an 18-year-old man selected at random is between 64 inches and 66 inches.<BR>\n" );
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document.write( "When you need to measure propability or percentage, you need to use <BR>\n" );
document.write( "the z-scale.<BR>\n" );
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document.write( "z(64) = (64-68)/3 = -1.3333<BR>\n" );
document.write( "z(66) = (66-68)/3 = -0.6667<BR>\n" );
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document.write( "P(64 <= x <= 66) = P(-1.33 <= z <= -0.67) <BR>\n" );
document.write( "= normalcdf(-1.3333,-0.6667) = 0.1613<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "a. .1597<BR>\n" );
document.write( "b. .2017<BR>\n" );
document.write( "c. .3677<BR>\n" );
document.write( "d. .8403<BR>\n" );
document.write( "e. .3403 <BR>\n" );
document.write( " </SPAN>\n" );
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