document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1191028>Question 1191028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble on a problem from my homework assignment. This is the question word for word from the text book:\r<BR>\n" );
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document.write( "The average earnings of year-round full-time workers 25-34 years old with a bachelor's degree or higher were $58,500 in 2003. If the standard deviation is $11,200, what can you say about the percentage of these workers who earn;\r<BR>\n" );
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document.write( "a. between $47,300 and $69,700? <BR>\n" );
document.write( "b. More than $80,900? <BR>\n" );
document.write( "c. How likely is it that someone earns more than $100,000?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #822782 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52776)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=822782\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "The normal distribution curve is a bell shaped curve.\r<BR>\n" );
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document.write( "These questions are to determine the areas under the normal distribution curve<BR>\n" );
document.write( "below the given score; &nbsp;or between two given scores; &nbsp;or above the given score.\r<BR>\n" );
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document.write( "It can be done in different ways:\r<BR>\n" );
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document.write( "    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- manually,  &nbsp;&nbsp;or\r<BR>\n" );
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document.write( "    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- using online calculator, &nbsp;&nbsp; or\r<BR>\n" );
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document.write( "    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- using your pocket calculator.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MANUALLY\r<BR>\n" );
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document.write( "To do it manually, &nbsp;use this &nbsp;Table representing &nbsp;AREA &nbsp;to the &nbsp;LEFT &nbsp;of the &nbsp;Z-score\r<BR>\n" );
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document.write( "https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;USING &nbsp;ONLINE &nbsp;CALCULATOR\r<BR>\n" );
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document.write( "To do it using an online &nbsp;(free of charge) &nbsp;calculator, &nbsp;go to this web-site<BR>\n" );
document.write( "https://onlinestatbook.com/2/calculators/normal_dist.html\r<BR>\n" );
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document.write( "Input the given parameters of each question into an appropriate window of the calculator and get the answers\r<BR>\n" );
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document.write( "to your questions.\r<BR>\n" );
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document.write( "The calculator has perfect description and design, &nbsp;so &nbsp;EVERY &nbsp;person, &nbsp;even beginner, &nbsp;may work with it on his or her own,\r<BR>\n" );
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document.write( "even having minimum knowledge on the subject.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;USING &nbsp;YOUR &nbsp;POCKET &nbsp;CALCULATOR\r<BR>\n" );
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document.write( "On how to use it, &nbsp;see a text description in &nbsp;THIS &nbsp;Internet source / site\r<BR>\n" );
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document.write( "https://mathbits.com/MathBits/TISection/Statistics2/normaldistribution.htm\r<BR>\n" );
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document.write( "Or see these &nbsp;Youtube video-lessons\r<BR>\n" );
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document.write( "https://www.youtube.com/watch?v=bVdQ7OzGvU0  &nbsp;&nbsp;&nbsp;&nbsp;(for &nbsp;Casio fx-991 MS)\r<BR>\n" );
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document.write( "https://www.youtube.com/watch?v=yYpMkgB20C4  &nbsp;&nbsp;&nbsp;&nbsp;(for &nbsp;TI-83 &nbsp;or &nbsp;TI-84 calculators)\r<BR>\n" );
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document.write( "Find there &nbsp;EVERYTHING &nbsp;you need to know in clear and compact form.\r<BR>\n" );
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document.write( "After learning it, you will be able to solve this problem &nbsp;(and thousand other similar and different problems) &nbsp;ON &nbsp;YOUR &nbsp;OWN,\r<BR>\n" );
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document.write( "without asking for help from outside.\r<BR>\n" );
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document.write( "Happy learning &nbsp;(&nbsp;!&nbsp;)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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