document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346163>Question 346163</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you tell me how to figure this out: For a random sample of size 4, determine probability the mean wealth of the four people obtained will be within 2 of the population mean.  Population mean is 25.5. The following is the data:<BR>\n" );
document.write( "Sample		Wealth			x<BR>\n" );
document.write( "A,B,G,P		26,31,41,20		29.5<BR>\n" );
document.write( "A,B,G,E		26,31,41,17		28.75<BR>\n" );
document.write( "A,B,G,T		26,31,41,18		29<BR>\n" );
document.write( "A,B,P,E		26,31,20,17		23.5<BR>\n" );
document.write( "A,B,P,T		26,31,20,18		23.75<BR>\n" );
document.write( "A,B,E,T		26,31,17,18		23<BR>\n" );
document.write( "A,G,P,E		26,41,20,17		26<BR>\n" );
document.write( "A,G,P,T		26,41,20,18		26.25<BR>\n" );
document.write( "A,G,E,T		26,41,17,18		25.5<BR>\n" );
document.write( "A,P,E,T		26,20,17,18		20.25<BR>\n" );
document.write( "B,G,P,E		31,41,20,17		27.25<BR>\n" );
document.write( "B,G,P,T		31,41,20,18		27.5<BR>\n" );
document.write( "B,G,E,T		31,41,17,18		26.75<BR>\n" );
document.write( "B,P,E,T		31,20,17,18		21.5<BR>\n" );
document.write( "G,P,E,T		41,20,17,18		24\r<BR>\n" );
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document.write( "The answer I came up with is 4/15 = 0.27 or 27% - is that correct? Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #247518 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=247518\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  For a random sample of size 4, determine probability the mean wealth of the four people obtained will be within 2 of the population mean. Population mean is 25.5. The following is the data:<BR>\n" );
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document.write( "You want 23.5 <= x <= 27.5<BR>\n" );
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document.write( "Sample Wealth x<BR>\n" );
document.write( "A,B,G,P 26,31,41,20 29.5<BR>\n" );
document.write( "A,B,G,E 26,31,41,17 28.75<BR>\n" );
document.write( "A,B,G,T 26,31,41,18 29<BR>\n" );
document.write( "A,B,P,E 26,31,20,17 23.5------<BR>\n" );
document.write( "A,B,P,T 26,31,20,18 23.75-----<BR>\n" );
document.write( "A,B,E,T 26,31,17,18 23<BR>\n" );
document.write( "A,G,P,E 26,41,20,17 26--------<BR>\n" );
document.write( "A,G,P,T 26,41,20,18 26.25-----<BR>\n" );
document.write( "A,G,E,T 26,41,17,18 25.5------<BR>\n" );
document.write( "A,P,E,T 26,20,17,18 20.25<BR>\n" );
document.write( "B,G,P,E 31,41,20,17 27.25-----<BR>\n" );
document.write( "B,G,P,T 31,41,20,18 27.5------<BR>\n" );
document.write( "B,G,E,T 31,41,17,18 26.75-----<BR>\n" );
document.write( "B,P,E,T 31,20,17,18 21.5<BR>\n" );
document.write( "G,P,E,T 41,20,17,18 24 <BR>\n" );
document.write( "The answer I came up with is 4/15 = 0.27 or 27% - is that correct? Thank you for your help.<BR>\n" );
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document.write( "It looks like 8/15 to me.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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