document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=524874>Question 524874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider a t distribution with 7 degrees of freedom. Compute P(-1.29 < t < 1.29). Round your answer to at least three decimal places.\r<BR>\n" );
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document.write( "Consider a t distribution with 18 degrees of freedom. Find the value of c such that P(t<= c) = 0.05. Round your answer to at least three decimal places.\r<BR>\n" );
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document.write( "P(-1.29 < t < 1.29) = <BR>\n" );
document.write( "c =  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347967 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=347967\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Consider a t distribution with 7 degrees of freedom. <BR>\n" );
document.write( "Compute P(-1.29 < t < 1.29). Round your answer to at <BR>\n" );
document.write( "least three decimal places.<BR>\n" );
document.write( "--<BR>\n" );
document.write( "Using a TI-84 Plus calculator:<BR>\n" );
document.write( "P(-1.29 < t < 1.29) = tcdf(-1.29,1.29,7) = 0.7620<BR>\n" );
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document.write( "Consider a t distribution with 18 degrees of freedom. Find the value of c such that P(t<= c) = 0.05. Round your answer to at least three decimal places. <BR>\n" );
document.write( "Find the t-value with df = 18 and a left tail of 5%<BR>\n" );
document.write( "invT(0.05,18) = -1.7341<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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