document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046905>Question 1046905</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble grasping the concept confidence intervals.  My questions are:\r<BR>\n" );
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document.write( "a.  Would this be okay to use if I had a small sample size (n), such as 10?<BR>\n" );
document.write( "b.  When should you use confidence intervals?  <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 #662464 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=662464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b.  When should you use confidence intervals?  <BR>\n" );
document.write( "Confidence Intervals are used for situations where there is an Unknown Mean <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu ALIGN=MIDDLE  ALT=\"mu\"   DISABLED_style= \"max-width:90%; height:auto;\" >and a Known Population Standard Deviation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=alpha ALIGN=MIDDLE  ALT=\"alpha\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Or <BR>\n" );
document.write( "for cases with  Unknown Population Mean or Population Standard Deviation<BR>\n" );
document.write( "Latter being the most common </SPAN>\n" );
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