document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75557>Question 75557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> FINDING SAMPLE SIZE.\r<BR>\n" );
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document.write( "Q1. margin of error:$125, confidence level:95%,standard deviation=$500  </SPAN>\n" );
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document.write( "Q1. margin of error:$125, confidence level:95%,standard deviation=$500 <BR>\n" );
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document.write( "E=z*(sigma/sqrt(n))<BR>\n" );
document.write( "sqrt(n) = z*(sigma)/E<BR>\n" );
document.write( "sqrt(n) = 1.96(500)/125<BR>\n" );
document.write( "sqrt(n) = 7.84<BR>\n" );
document.write( "n=61 (rounded to whole number)<BR>\n" );
document.write( "========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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