document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86700>Question 86700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> May you help me in solving this problem? I'm afraid I don't even know what formula to use. I can't even find this section in my text book. Thanks! <BR>\n" );
document.write( "Use these figures for 1999 resident U.S. population by age to answer this question:<BR>\n" );
document.write( "AGE      ------POPULATION (In Thousands)<BR>\n" );
document.write( "0-19         ------75,791<BR>\n" );
document.write( "20-39          ----81,004<BR>\n" );
document.write( "40-59        ------62,383<BR>\n" );
document.write( "75-84         -----11,145<BR>\n" );
document.write( "85 and older    ----3,628 <BR>\n" );
document.write( "A.) Find the Probability that the resident is under the age of 20. <BR>\n" );
document.write( "B.) Find the Probability that the resident is in the 20-39 or 60-74 age group. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62736 by </B><A HREF=/tutors/aboutme.mpl?userid=Flake><B>Flake(45)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Flake><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=62736\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A.) Find the Probability that the resident is under the age of 20<BR>\n" );
document.write( "----Step#1: Understand the question.<BR>\n" );
document.write( "What this is asking is \"out of the \"total population\", what is the percentage (%) of people \"under the age of 20\"?\r<BR>\n" );
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document.write( "----Step#2: find \"Total Population\", add the all the people from age 0 to 85 and older.<BR>\n" );
document.write( "Total population = 233,951\r<BR>\n" );
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document.write( "----Step#2: find number of people \"under the age of 20\".<BR>\n" );
document.write( "Only the people in the age group of 0-19 is under 20yr old.<BR>\n" );
document.write( "So number of people \"under the age of 20\" is 75,791\r<BR>\n" );
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document.write( "----Step#3:  Find the percentage (%) of people \"under the age of 20\" out the \"total population\".....75,791/233,951 = 32.4%\r<BR>\n" );
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document.write( "---------------\r<BR>\n" );
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document.write( "B.) Find the Probability that the resident is in the 20-39 or 60-74 age group.\r<BR>\n" );
document.write( "\n" );
document.write( "----Step#1: Understand the question.<BR>\n" );
document.write( "What they're asking is, out of the total population, what's the percentage (%) of people who are either 20-39 or 60-74 years old.\r<BR>\n" );
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document.write( "So a person you who is 25 should be in this group.  A person who is 70 should also belong in this group.\r<BR>\n" );
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document.write( "What you do is added the people in both the 20-39 and 60-74 groups and devide by the total population </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );