document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418778>Question 418778</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given a normal distribution with µ = 103 and &#963; = 20, if you select a sample of n = 25, what is the probability that X bar is\r<BR>\n" );
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document.write( "d) There is a 65% chance that X bar is above what value? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #293009 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=293009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given a normal distribution with µ = 103 and &#963; = 20, if you select a sample of n = 25, what is the probability that X bar is <BR>\n" );
document.write( "d) There is a 65% chance that X bar is above what value?<BR>\n" );
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document.write( "Find the t-value with a left-tail of 65%<BR>\n" );
document.write( "invT(0.65 when df = 24) = 0.3900<BR>\n" );
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document.write( "Find the corresponding x-bar using x-bar = ts+u<BR>\n" );
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document.write( "x-bar = 0.3900 + 103 = 104.56<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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