document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=263379>Question 263379</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mean: 1.31<BR>\n" );
document.write( "Standard deviation: 0.04<BR>\n" );
document.write( "random Sample: 16\r<BR>\n" );
document.write( "\n" );
document.write( "What is the probablity that the sample is between 1.28 and 1.32 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194115 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=194115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mean: 1.31<BR>\n" );
document.write( "Standard deviation: 0.04<BR>\n" );
document.write( "random Sample: 16 <BR>\n" );
document.write( "What is the probablity that the sample is between 1.28 and 1.32<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "t(1.28) = (1.28-1.31)/[0.04/sqrt(16)] = -3<BR>\n" );
document.write( "t(1.32) = (1.32-1.31)/[0.04/sqrt(16)] = 1<BR>\n" );
document.write( "---<BR>\n" );
document.write( "P(1.28< x < 1.32) = P(-3< t < 1 when df = 15) = 0.8289..<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );